Crystal clear bags are an ideal way to present, protect and store all types of images * 3.6 mil (BOPP) biaxially oriented polypropylene is completely archival and safe for long-term storage * Reusable adhesive strip designed to withstand repeated opening and closing * Adhesive strip is placed on the body (not flap) of the bag to aid in safely inserting and removing art work * Sealed on 3 sides and opening on short side with 2" flap