50 Pcs 11 7/16 X 17 1/4 (P) Clear Resealable Protective Cello/Cellophane Bags Sleeves Good for 11x17 Art Prints, Photo, Poster - Tape Strip on Body (by UNIQUEPACKING) Crystal clear and resealable self adhesive sealing strip that protects the contents from dust, bugs, moisture, and mildew. Acid free, FDA and USDA compliant. Sold in a pack of 50. 1.6 mil (40 micron) thickness archival quality. Bag Dimension: 11 7/16 X 17 1/4 inches (not include flap) The adhesive strip is on the bag instead of on the flap, so when content is removed or re-inserted, it won't get stuck to the adhesive strip.