Strathmore Full Size, Clear Plastic Sleeves, 5.4375" x 7.25" - 25 Pack Clear, resealable sleeves are archival, acid-free and lignin-free for the ultimate protection Provide the ultimate protection for your stationery, photographs or printed matter Highest grade of virgin 1.6 mil polypropylene Adhesive strip on the outside body of the sleeve, not the flap, allows for easy removal and reinsertion of contents