The Crescent Create and Show professional art board and matboard kit is designed to make presenting and showcasing your art quick and simple. Featuring a gallery quality pre-cut matboard and a premium heavyweight multi-media art board, this kit allows you to create a professional, finished look in minutes. A resealable crystal clear bag protects your art and packages your work neatly for sale or transport. The Create and Show matting kit is available in two sizes, with openings of 13” x 19” (outside dimensions - 22” x 28” outside dimensions) and 8” x 12” (outside dimensions - 16” x 20”). Both sizes available fit most standard frames.