Crystal Clear Cello Flat Art Sleeves/Bags with Self-adhesive Flap Closure - 100 Pack (A6B6 - 5 1/8" x 6 3/4" - Up To 6 A6 / A2 Cards) CLEARBAGS RESEALABLE CLEAR SLEEVES will safely protect your art, photos, crafts, stationery, cards, collectibles, and more in a protective crystal clear plastic. The 1.6 mil poly barrier material makes this protective sleeve a safe and reliable storage bag. Heat sealable, acid-free, lignin-free, anti-static, FDA approved for food safety, USPS approved, and archival safe. CUSTOMIZABLE SIZE TO FIT: Bags have the perfect allowance for the number and size of cards and envelopes they are meant to hold. The resealable adhesive strip is on the BODY of the bag, so contents will not come into contact with the glue for easy removal and insertion of items. The resealable flap allows for fast insertion and sealing - perfect for repeated use. HIGH QUALITY BAG THICKNESS AND CLARITY means these bags feature crystal clear optical quality, and are specifically designed to not easily rip, tear, wrinkle, fog, split, break, or rupture. Made with 10 percent recycled material, these bags feature high quality 1.6 mil thickness BOPP plastic to best protect your products and goodies.