CLEAR BAG 20X24 100 PACK
The B20PC Crystal Clear Protective Closure Bag measures 20 7/16" x 24 1/4" and is ideal for a 20" x 24" product, art, photography, double mats with backing, and single mats with foam board up to about 5/16 inch thick. The adhesive strip is on the body of the bag and doesn't come in contact with your work. Acid-free.