Strathmore Artist Trading Card Frames are a great way to display or send Artist Trading Cards. Essentially a white tri-fold card with a cutout window, each frame accepts a standard size Artist Trading Card (2-1/4" × 3-1/4" opening), which slides easily into the pocket. Each package includes six frames, which measure 3-1/2" × 4-7/8" (89 mm × 124 mm). Packages also contain six polypropylene sleeves, measuring 3" × 4-1/2" (76 mm × 114 mm). - Strathmore Artist Trading Card Frames - 3-1/2" x 4-7/8", Pkg of 6Artist Trading Card Accessories, 3.5X4.875 FRAME CARD -