UNIQUEPACKING 500 Pcs 3 5/8 X 5 1/8 Clear A1 4bar Card Resealable Cello/Cellophane Bagspcs Crystal clear and resealable self adhesive sealing strip that protects the contents from dust, bugs, moisture, and mildew. 1.2 mil (30 micron) thickness top quality. Acid free, FDA and USDA compliant. Sold in a pack of 100, total 5 packs. Bag dimension: 3 5/8 X 5 1/8 inches (not include flap). Works great as a clear envelope for 4Bar (A1) cards, The size of the card is 3 1/2" x 4 7/8" when folded.