Your Cart
SLI Search Template
Related Categories: 9x12 Panels | 18x18 | 3x3 | 14x18 | 18x24 Canvas | Stretched Canvas 40x60" | 60x60 Canvas | Extra Large Stretched Canvas
-
Centurion DLX Acrylic Primed Linen Canvas 20"x40", Box of 3Save Up to76%Off listWhite DLX (Deluxe) Museum Series 1-1/2" Deep 11oz. Triple-Primed 100% Linen Canvas Centurion DLX Museum series 100% linen canvas has a hearty 11oz. triple-primed acid-free surface suitable for oils, acrylics, alkyds, and caseins. The linen is hand-stretched onto kiln-dried pine wood stretcher bars. Larger canvases are braced with rigid cross braces for added support. If necessary, you can insert the included corner keys to tighten the canvas or re-stretch the back stapled canvas. The DLX Museum canvas has a wide 1-1/2" deep edge that you can paint for frameless presentation. The entire Centurion line provides high quality stretched linen at an affordable price. Linen canvases that the old masters painted five hundred years ago are still in good condition. Unlike cotton, linen has long fibers that resist deterioration. If sharing your work with the next generation is important to you, we highly suggest working with linen. Compared to cotton, our Centurion linen has a non-mechanical surface with a lovely texture that is a joy to paint on. 1-1/2" Deep 11oz. weight linen canvas that will last hundreds of years! Key Features: * 1-1/2" deep DLX Museum master quality 100% linen * 11oz. tripled-primed acid-free* Medium, even surface texture * One coat of clear sealer, then triple-primed with acid-free titanium white acrylic primer * Wide 1-1/2" profile edge for a frameless presentation * Kiln-dried pine wood stretcher bars for strength and durability * Back stapled to allow for keying or re-stretching (keys included) * Long linen fibers resist deterioration * Non-mechanical surface with a lovely fine texture * Larger sizes are braced to provide rigid support * Easy to re-stretch or tighten the canvas Perfect For: * Oils, acrylics, alkyds, and caseins * Larger paintings that need stable support * A painting that will last hundreds of years * Long fibers that resist deterioration * Frameless gallery presentation * Archival quality canvas for future generations to enjoy * "Centurion Artist Quality Linen 1 1/2" Canvas by Creative Mark really stands out among the others by quality and price. I love also the smooth surface and tight stretched canvas that make my brush move around as never before. Thanks to the 11oz triple primed acid-free linen my Matisse acrylic paints show their full glory. Colors stay accurate and require little correction compared to other canvases I used in the past. Pleasure to paint onto and it really makes the difference. I like also the excellent size inventory" - ART By VENY See More
-
Cardinali Plein Aire Frame, Black 20"x40" - Box of 4Save Up to52%Off listBlack Lightweight Plein Aire Frames have Timeless Style! Cardinali has taken the traditional plein aire frame and made it better. Instead of heavy wood and plaster, they use lightweight renewal core, a material known for its durability. As a result, the frames are light yet strong and rigid, so you can easily hang and install the frame by yourself. Cardinali Plein Aire frames compliment all art, from traditional landscapes and portraits to modern abstract paintings. The 3" wide moulding has a raised edge and an inner groove that adds emphasis and directs the eye toward your artwork. Each frame has a generous 1/2" rabbet depth that can hold a 3/4" canvas with the use of offset clips (sold separately). Cardinali Open Back Plein Aire frames are crafted to provide the timeless plein aire profile that you love at an affordable price. This elegant frame is sure to enhance the beauty of your art! Key Features:* 3" wide moulding with raised edge emphasizes your art* 1/2" rabbet depth * 1/4" offset clips needed for 3/4" deep canvas fitting* Available in black and gold* Made with a lightweight, high-density renewal core* D-ring hangers and screws included* The front of the frame has a smooth, blemish-free surface Perfect For:* Museum quality framing you can feel confident about* Complimenting any genre of artwork* Adding prestige to any piece of art* Framing canvas paintings and panels* Easy, worry-free installation Please note may take up to 2-3 weeks delivery time: Custom Made - These frames are made to order by our in-house expert framers. We carefully make each frame by hand, so it may take longer to ship your frame. Please take this extra processing time into account See More
-
Paramount Pro Gallery Wrap, 20"x40" Stretched Canvas (Box of 3)Save Up to78%Off listWhite Simply The Best Professional Cotton Canvas On The Market! Our SUPER Heavyweight cotton canvases have a 100% guarantee. We guarantee the best quality canvas or your money back! Only the best heavyweight cotton canvas is stretched on Paramount gallery wrapped professional artist canvases. You can paint with confidence because we prime each Paramount canvas with a layer of sizing and three coats of acrylic gesso. It's the best commercial cotton canvas you can buy. Popular Paramount Professional Gallery Wrap Canvas has recently received an upgrade! Featuring the same medium-weave, triple-primed, acid-free, 100% cotton canvas as the original style, Paramount Professional canvas now boasts new 1-13/16" deep, solid pine stretcher bars with an innovative L-shaped design. The best for Gallery-ready paintings! SUPER Heavyweight 100% cotton canvases. triple-primed, acid-free. 1-13/16" deep, solid pine stretcher bars with an innovative L-shaped design. Key Features: * Unbleached 100% cotton canvas * Super Heavyweight cotton canvas * 11oz unprimed / 15oz Primed on heavyweight cotton * 1-13/16" deep solid pine, L-shaped stretchers * Triple-primed, acid-free * Medium-tooth surface * Back-stapled * Heavy-duty canvas and bracing system * Perfect For: * Paintings in acrylics, oils & alkyds * Techniques from glazing to impasto * Art that needs stable support * Gallery-ready paintings * Professional use These newly redesigned stretcher bars are a vast improvement on many other lines, as not only does the increased depth add to the strength of the stretcher frame, the 1-13/16" wide face with an offset lip provides greater support to the canvas itself. Paramount Professional Gallery Wrap Stretched Canvas was designed for artists who require a heavy-duty canvas and bracing system made to professional standards. Paramount Professional Canvas is designed to take both thick and thin paint layering in acrylics, oils, and alkyds. For artists looking for a sturdy, superior grade stretched canvas, the newly redesigned Paramount Professional Canvas is the way to go! See More
-
Winsor & Newton Professional Canvas Gallery Deep (1.65") Stretched Canvas-20"x40" (Box of 3)Save Up to61%Off listWhite Create your next masterpiece with these with professionally prepped stretched cotton canvas! Born from a rich heritage of commitment to quality and innovation, Winsor & Newton Professional Canvas features cotton canvas primed with pigment rich Gesso and warp-resistant, kiln-dried, heavy duty solid pine stretcher bars. With its balanced absorbency and medium tooth, this acid-free, archival canvas is wonderfully responsive to every brushstroke, really allowed paint to adhere to the textured surface. Available in standard depth and gallery deep edge, each canvas has a little extra cloth with its tailored and uncut corners, and includes the new Winsor & Newton pro-stretcher. Each canvas includes the Pro-Stretcher, an innovative stretching device that's custom-made for Winsor & Newton. Strong and compact, it allows you to create an immaculate bespoke surface, stretched exactly as you want it. This exclusive stretcher is easy to use and delivers precision tension. Key Features: * Professional Cotton Canvas * Pre-primed, the cotton canvas weighs 10.6 oz. Primed weight is 16.9 oz. * Weight 480gsm, Surface Cotton, Wood Type Heavy Duty Solid Pine * Primed with pigment rich Gesso primer * Warp-resistant, heavy duty solid pine stretcher bars * Acid-free, archival canvas with a medium tooth * Includes the Winsor & Newton pro-stretcher * Choose a Traditional or Deep Edge profile * Balanced absorbency and tooth prevents shrinking * Back stapled with folded uncut corners Perfect For: * Traditional Canvas with medium texture, ideal for use with oil and acrylic paints * Deep Edged Traditional Canvas with medium texture, ideal for use with oil and acrylic paint * Professional painters * Oils & acrylics * Fine art students * Mixed media projects Pro-Stretcher * Precision tension that you can control * Professional look for back of canvas * Strong, will not release * Easy to use, no fuss * Small and compact * Patent-pending technology The professionally constructed frames are crafted from heavy-duty, kiln-dried solid pine stretcher bars and rigorously tested for warp-resistance. See More
-
Paramount PRO Cotton 20" x 40" Stretched Canvas, 11/16" Deep (Box of 6)Save Up to73%Off listWhite Professional, Versatile 100% Unbleached Cotton Triple-Primed & Acid Free. Better canvas for better results! Good for oil, acrylic and alkyd paints Paramount provides you with a professional stretched canvas in every aspect. The canvas is a heavyweight 12 oz triple primed 100% pure unbleached cotton. The primer is acid-free. The surface has just the right tooth (medium surface tooth) to accept paint and allow for building up texture and vigorous working. The canvas is stretched onto the back of the canvas to allow you to re-stretch at any time without sacrificing your finished painting. The solid wood stretcher bars have a full outer lip and the stretching is tight to provide excellent "bounce back" at each stroke. This economical canvas considers the painter creating a great product for painting in all media. Paramount canvas is 12oz. triple primed weight and can take heavy textural buildups with less sagging than other canvases Get a Professional canvas at Jerry's affordable prices. Better canvas for better results! Key Features:* Available in: Singles & Boxes of 6* 12oz. primed weight / 7oz. unprimed* 11/16" Deep* Unbleached, 100% cotton canvas* Triple-primed with acid-free titanium white acrylic primer* Medium tooth surface* Back-stapled to allow for keying or re-stretching (keys included)* 4 paintable edges* Frameless presentation Perfect For:* Oil, alkyds and acrylic paints* Re-stretching at any time without sacrificing your finished painting* Artists of any skill level* The best outcome & final works of art* Artists seeking quality professional canvas* The solid wood stretcher bars have a full outer lip and the stretching is tight to provide excellent "bounce back" at each stroke. This professional yet affordable canvas considers the painter, creating a great product for painting in all media. Paramount canvas is 12oz. triple primed weight and can take heavy textural buildups with less sagging than other canvases. See More
-
Da Vinci Pro Birch Wood Panel 20"x40", 1-5/8in DeepSave Up to75%Off listNatural Superbly Crafted For Permanent Works Of Art! Fine-grained, finely sanded These superior quality Birch hardwood painting panels give artist’s exceptional panel strength and rigidity, with very fine wood grain. Finely sanded Da Vinci Pro Birch Wood Painting Panels deliver a consistently strong, sturdy archival support. They are fine grained and super smooth. The panels can be directly universally gesso primed, Encaustic gesso primed, or barrier-coated with PVA or rabbit skin glue sizing before oil priming. They are also popular with artists making their own linen or cotton canvas panels, or mounting sanded pastel or watercolor paper for a firm archival painting surface. Features:* Fine-grained, finely sanded* 7/8", 1 5/8" & 2 1/2" Deep* Strength and rigidity* Warp resistant, kiln-dried New Zealand Pine cradle with Birch panel* You can gesso the panel* Light weight and sturdy* Tougher than canvas and no problem of ever sagging* Unframed or framed* Wood sourced from ecologically fast growth forests Perfect For:* Nice smooth surface, no need to prep prior to base coating* Students, Teachers, Professionals* Mounting linen or canvas* Archival substrate* Universal priming* Well made so that even the edges hold the paint* Artists making their own linen or cotton canvas panels* Great for gallery presentations* Mounting sanded pastel or watercolor paper for a firm archival painting surface* Lightweight easy to hang* Acrylics, acryl gouache, pencil, collages* Artist Testimonial - "These Panels Are Beautifully Crafted" "I would give the DaVinci, Birch wood painting panels a five star rating any time. I love the DaVinci Birch and cradled painting panels. These panels are beautifully crafted, light weight and sturdy. Really they are more like furniture than a simple painting surface. Even though I gesso the surface its not necessary. Simply be inspired and apply the paint." Artist Ron Croci “The thickness of the board makes it easy to handle while painting, and in larger sizes an extra support beam is added to the middle of the board. I highly recommend these” Artwork by Artist Samuel Flegal @samuelflegal See More
-
Sakura Pigma Sensei Drawing Pen - Black, 1mm (Box of 12)Save Up to25%Off listBlack Pigmented pens perfect for manga and comic artwork! Pigma Sensei®. Learn to draw like the pros using the same rich, black Pigma® ink that’s been the trusted ink of Manga professionals for over 30 years. Sakura has been producing fine art and graphic pens for over 25 years, and has long been a trusted mainstay in the comic, manga, and graphics industry. Now they have created a line of pens designed specifically for artists working in comic and manga styles! New Pigma Sensei pens are the clear choice when it comes to drawing tools for any manga application! Sensei pens contain patented Pigma ink: pigmented, archival, smear and feather-proof, water and fade-resistant, non-bleeding, non-toxic — in a word, superb! The Sensei range includes 4 tip sizes for virtually any type of line drawing from high detail to graphic and expressive.The 0.3mm Ultra-Fine Tip is excellent for detailing areas like faces, the 0.4mm Durable Plastic Tip is great for outlines, the 0.6mm Bullet Fiber Tip is ideal for lettering, and the large 1.0mm Bold Fiber Tip is perfect for heavy lines that add impact and drama. Altogether the entire Sensei range works harmoniously to help you create manga and comic artworks both meticulous and mobile! * Pigma Sensei Manga Drawing 6 piece set – Contains 1 each of 0.3mm Ultra-Fine Tip pen, 0.4mm Durable Plastic Tip, 0.6mm Bullet Fiber Tip, 1.0mm Bold Fiber Tip, 0.7mm fixed-sleeve mechanical pencil, white rubber eraser, and fold-out illustration guide. * Highly pigmented, archival black ink * Non-toxic, waterproof and fade-resistant * Will not smear or feather when dry * Available in 0.3mm, 0.4mm, 0.6mm, and 1.0mm sizes * Sold in boxes of 12 pens * The perfect pen for all manga and comic applications! See More
-
Viarco Artgraf Water-Soluble Graphite Powder, 250 Gram PouchSave Up to35%Off list…Also available in a set a soft, water-soluble graphite sketching stick for adding details or shading large areas (also available in packs of 2 or boxes of 10), as well as a travel watercolor brush, all packed in a sleek black case with foam inserts. Perfect for taking on the road, the set can easily… Revolutionary European versatile water-soluble graphite! Premium Drawing Materials! Portuguese pencil company Viarco makes a unique, versatile water-soluble graphite which are premium drawing materials for over 100 years (Since 1907)! These first-rate art materials are a true treat for any artist who values quality. ArtGraf's main attraction is the totally innovative graphite block, a unique new addition to the art supply world. Behaving much like a watercolor block, ArtGraf's graphite can be used by wetting a brush and loading it with graphite, then painting in beautiful, shimmering monochromatic tones. Also available in a set a soft, water-soluble graphite sketching stick for adding details or shading large areas (also available in packs of 2 or boxes of 10), as well as a travel watercolor brush, all packed in a sleek black case with foam inserts. Perfect for taking on the road, the set can easily be slipped into a pocket or bag. For shading large areas and for gestural strokes, try the generous, 250g XL stick, and get rich shades of black and grey with the new tailor's-chalk-inspired water-soluble Carbon Block. Create beautiful tonal drawings with this deluxe new water-soluble graphite and carbon from one of Europe's premier pencil makers! Everything you need to create subtle & gestural art in water-soluable graphite and carbon! Revolutionary watersoluble graphite Key Features:* Luxury water-soluble graphite and carbon* Made in Portugal by Viarco* Extremely soft and water-soluble* Excellent tool for drawing and painting* Pressed pigment, designed for drawing and painting* Revolutionary, round breaking watersoluabel graphite* Use to make opaque inks* Create texture and dries fast* Non-Harmful materials, also safe for children* Extra-large handmade water-soluble graphite stick for big artistic interventions and large scale drawings* Click on Yellow Icon Next to products for full details Perfect For:* Drawing and painting* Creating unique works of art* For any artist who values quality* Washes and other watercolor techniques* Can be used for calligraphy Water-Soluble Graphite 3 Piece Set + Soft Stick + Brush - With a classic and clean presentation, the ArtGraf Kit includes a 20gr tin of watercolour graphite, a soft water-soluble 8B graphite stick and a pocket brush No. 4 to use with both products. The ArtGraf Kit is a gift, a graphite drawing and painting set, a refined present. Extra-large handmade water-soluble graphite stick for big artistic interventions and large scale drawings - The graphite of 8B grade turns this rough object into a smooth drawing and painting instrument. The design of the ArtGraf XL had as its starting point the factory and the artisanal process used for the production of graphite leads. ArtGraf XL is an unique worldwide object whose artistic potential is totally unexplored and as such it establishes new frontiers to creativity. Exclusive - Water-Soluble Graphite & Carbon Combo Journal Art Kit - This fun new pre-packaged gift sets from Global Art make the ideal kit for any artist on the go! Featuring high quality art products from Viarco ArtGraf, Escoda, Fluid Watercolor Paper, and the Handbook Journal Co. Designed to be portable, versatile and fun! Primary Colours Set of 3 ArtGraf Tailor Shape pieces identified with ColorADD code - Inspired by the traditional tailor’s pencil, the ArtGraf Tailor Shape is a block of pressed pigment, designed for drawing and painting. Extremely soft and water-soluble ArtGraf Tailor Shape allows you to produce a wide range of colours, and light, dark and opaque colours. ArtGraf Tailor Shape is an excellent tool for drawing and painting. Monochromatic Set of 3 ArtGraf Tailor Shape pieces identified with ColorADD code - Inspired by the traditional tailor’s pencil, the ArtGraf Tailor Shape is a block of pressed pigment, designed for drawing and painting. Extremely soft and water-soluble ArtGraf Tailor Shape allows you to produce a wide range of colours, and light, dark and opaque colours. ArtGraf Tailor Shape is an excellent tool for drawing and painting. Water-Soluble Graphite Tin Pans - Paint with a pencil! ArtGraf graphite watercolour is a revolutionary product that totally changes the artist’s relationship with graphite. Pencil painting is perhaps the best expression to define the artistic potential of this material, with which the user can obtain the full scale graphite shades, only with a brush and water. Possible to apply on different surfaces, fast drying, but with great capacity of correction, the ArtGraf watercolours are ground-breaking products. Under the protection of José Emídio’s guardian angel, the two versions, the pocket (20gr) and the studio version (60gr) will set brushes wagging Watersoluable Soft Sticks -The ArtGraf Stick is a 9cm long, very soft, highly soluble watercolour graphite stick that allows you to achieve an extensive range of grey shades. Perfect for traditional drawings with graphite, water to highlight details and create watercolour effects. See More
-
STAEDTLER Lumocolor Permanent Marker Pens Medium #M317 - Black, 1.0mm (Box of 12)Save Up to10%Off listMarkers for Drawing, Writing, and Calligraphy You can use STAEDTLER Lumocolor Permanent Markers on all sorts of paper because the ink doesn't bleed. The permanent ink makes them perfect for use on watercolour paper and for signing all types of artwork. The various tip sizes provide similar abilities… Markers for Drawing, Writing, and Calligraphy You can use STAEDTLER Lumocolor Permanent Markers on all sorts of paper because the ink doesn't bleed. The permanent ink makes them perfect for use on watercolour paper and for signing all types of artwork. The various tip sizes provide similar abilities to technical pens but with an unrestricted feel and a bolder stroke. The true vivid colours never fade or distort. STAEDTLER Metallic Pens contain opaque metallic ink that shows up well on light and dark paper. The metallic pens come in either a bullet tip or a calligraphy chisel tip. Please note: Lumocolor permanent ink is water-resistant, but you can remove it from some surfaces with alcohol. Key Features: * Permanent, acid-free pigment-based ink * Smudge-proof and waterproof on most surfaces * Low-odor ink dries in seconds * Lightfast colours (Lumocolor) - weatherproof black * Superb colour brilliancy * Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft Perfect For: * Light and dark paper * Use on almost all surfaces (Lumocolor) * Artists, illustrators, architects, and students * Sketching and writing * Calligraphy * Artists of all skill levels STAEDTLER Lumocolor Markers Line Widths * F - fine (approx. 0.6 mm) * S - superfine (approx. 0.4 mm) * M - medium (approx. 1.0mm) * B - broad (approx. 1.0 or 2.5 mm) See More
-
The Edge All Media Pro Cotton Canvas 20"x40" - 1-1/2" Deep (Box of 3)Save Up to81%Off listWhite Ignite your composition with an inspiring substrate! Extra Long Sizes Are you bored of painting on the same standard canvas size? Ready to shake things up and supercharge your creativity? The new Edge All Media Cotton Canvases come in 21 extra long sizes like 10x40" and 12x72"! We've designed these new hypnotic sizes to help you hook your viewer's attention. Our goal, as always, is to emphasize your artwork. The extra-long rectangular shape naturally focuses attention, whether it's a triptych, a non-traditional portrait, or an abstract piece. Each canvas is coated in a ground-breaking primer that maintains the richness and purity of your paint colors. Unlike other canvases with lesser quality primers, your paintings will keep their vibrant punch with excellent adhesion. Triple priming ensures superb barrier protection between paint and canvas, perfect for traditional and water-mixable oils. The Edge is known for its' tuck-n-roll style construction that keeps the back of the canvas neat and clean. A sturdy surface for all painting styles, even mixed media, The Edge features a beefy 14oz, triple primed medium texture. Finish your painting with solid-colored sides, or continue your design onto the sides for a distinctive modern look. Extra Longs/Longs/Multiples (triptych) - These used by themselves offer unique aspect ratios to achieve various single and multi-canvas compositions. They work well with squares, used as a square or diamond shape. The 6x18" and the largest being 18x64". Artists working in abstract impressionism have found these to be new heroes, to create unique multiple images that work together. Key Features: * Extra Longs/Longs/Multiples (triptych) * Create unique multiple images that work together * Available in: Singles or Boxes of 3 * 1-1/2" Deep, Extra long sizes * 100% cotton canvas * 14oz primed weight * 8oz. raw weight before priming * Triple acrylic primed * Medium texture canvas * Deluxe stretched canvas * Professional tuck-n-roll style construction * Hand stretched by skilled artisans * Perfect For: * Oils, alkyds, and acrylics * Painted edge presentation * Mixed media works * Painters of all levels * Frameless artwork presentation * Excellent barrier protection between paint and canvas * A non-traditional portrait * A landscape or an abstract piece * Painting a dazzling triptych See More
-
Stabilo Woody Colored Pencil, RedSave Up to26%Off listRed Let Your Littlest Budding Artists Go Wild With These Versatile Colored Pencils! The Stabilo Woody 3-in-1 Colored Pencils are ideal for those creative kids who like to draw on different surfaces. Each eco-friendly pencil is a wax crayon, watercolor, and colored pencil all in one and applies eight times more color than a standard colored pencil. At 10mm, the extra thick lead is practically unbreakable, and the pencils are sharpening-safe for little hands. Available in 24 popular colors, these pencils work well on various smooth surfaces, including glass, blackboards, cardboard, metal, and paper. Key Features: * Wax crayon, watercolor and colored pencil all in one * 10mm extra thick lead is practically breakproof * Applies 8 times more color than standard colored pencils * Available in 24 popular colors Perfect For: * Children's art projects * Window & chalkboard murals * Classroom use * Kid's home art studio See More
-
Da Vinci Pro Ultra Smooth Panel 20"x40", 2" Deep (Box of 4)Save Up to76%Off listWhite Ultra Smooth, white acrylic polymer gesso! Superbly crafted for permanent works of art! Tested by artists, these silky smooth panels are perfect for artists with painting techniques requiring a smooth, consistent, archival surface. For artists requiring an extremely smooth surface for technical illustrations, drawings, trompe l’oeil, oil or acrylic paint, Ultra Smooth Panels are ideal. The buffed finish readily accepts technical drawing pens, graphite and colored pencils, conte’, charcoal, oil, acrylic gouaches, and more. Seal with an archival spray fixative appropriate for your individual medium (or varnish for paintings) for a dramatic, frame-less presentation of your artwork. Seal with an archival spray fixative appropriate for your individual medium (or varnish for paintings) for a dramatic, frame-less presentation of your artwork. Key Features: * Ultra Smooth, white acrylic polymer gesso * 3/4" and 2" cradle depths for dramatic presentation * Kiln-dried New Zealand Pine cradle * Warp resistant, sealed MDF hardboard panel * Perfect for high-detailed portraiture or trompe l’oeil * Wide range of sizes * Cradles easily accept paint, stain, or clearcoat for finishing * Painting techniques requiring a smooth, consistent, archival surface Perfect For: * Portrait artists and detail painters * All painting and drawing techniques * Brittle media * Technical drawing pens, graphite and colored pencils, charcoal * Oil, acrylic gouaches, and more * Frameless presentation of artwork in any media * Archival art that will last a lifetime * See More
Powered by
Login and Registration Form
Customer Login
Already a customer ? Sign in now for the best experience!
* indicates a required field