Our B5X5M Crystal Clear Flap Seal Bag measures 5 11/16" x 5 9/16" and holds 5" x 5" envelopes and cards (up to 12 sets), a single 5 1/2" square envelope or card, or a 5 1/2" piece of artwork with mats up to 1/8 inch or less. This resealable bag has an...