FULL-BACKS: Fullback acid-free backing boards are the highest quality available, designed to provide maximum protection for your collectibles. Made from 100% acid-free, 35 mil thick cardboard, these boards offer extra rigidity. With a 3% alkaline buffer and a pH of 8.0+, they help preserve your items for long-term archival storage. Meets strict U.S. Government standards for archival quality. Features: 100% acid-free backing boards Protects collectibles from aging Made with a 3% alkaline buffer Maintains pH of 8.0+ Meets U.S. Government archival standards Sold in packs of 50 Measurements: 50 pack 6-3/4" x 10-1/2" 35 mil thick cardboard MYLITES 2: Each pack of Mylites2 includes 50 protective sleeves designed for current-size comic books (7" x 10-1/2" with an additional 1-1/2" flap). Mylites2 is made from Mylar, the most stable plastic, offering superior protection against moisture and oxygen diffusion. It’s the material trusted by the National Archives, Library of Congress, and preservation experts worldwide. Mylar is 100 times more resistant to oxygen than poly bags and offers long-lasting durability. Features: Protects against humidity Resists poly bag breakdown Prevents acid migration and oxygen exposure Shields from insects, UV fading, mold, mildew, oils, and greases Measurements: 50 pack 7" x 10-1/2" plus 1-1/2" flap 2 mil thick Mylar Note: This listing includes 50 Full-Back Current Backing Boards and 50 Mylites2 Current Mylar Sleeves, packaged together for cost-effective shipping.

50 E. Gerber Mylites2 Mylar Bags & Full Back Comic Boards 700M2/675FB CURRENT