SCRAPBOOK ADHESIVES BY 3L™ Keepsakes Envelopes are perfect for storing and preserving memorabilia and keepsakes such as your child's first lock of hair, baby teeth, concert tickets, coins, newspaper clippings, and much more. Archival-safe, acid-free, self adhesive pockets are easy to place in scrapbooks and memory books, prevent acid-transfer and helps keep memories forever. Assorted- Includes 4 small 2"x 2", 3 medium 2"x 4", 2 large 3 1/2"x 4" and 1 jumbo 4 1/2"x 5".