Envelopes - Protect trading cards in white wove envelopes.
Frame Cards - These tri-fold cards feature a cutout window which accommodates an ATC (2.25" × 3.25" opening). Cards slide easily into the pocket and provide a great way to display or send your trading cards. Envelopes are 3.625" × 5.125".
Sleeves - Protect and store trading cards with these top loading sleeves. 3" × 4.5". Clear Rigid Vinyl. Pack of 5.
You might also be interested in this Strathmore DVD from The World of Art: