Ideal for art, photos, crafts, and stationery products, our crystal clear no flap bags are open-ended for easy insertion and removal of your items. The B11NF poly sleeve measures 11 7/16" x 14 3/16" and fits an 11" x 14" product, art, or photography with double mats with backing or single mats with foam board up to about 5/16 inch thick. Great for historical documents, art supplies, and more. There is no flap to get in the way of your packaging with this durable, smooth sleeve. This sleeve is 1.6 mil thick and is made of archival grade polypropylene for long-term protection and optimal clarity.