3L Scrapbook Adhesives 3D Foam Squares are a great way to create a 3D effect on your scrapbook pages, photo album, or greeting cards. Easy to use, you just peel and stick. Acid-free. Lignin free. Archival safe. Permanent. 63 - Large (7/16 x 15/32 x 1/25 inch), 154 - Small (1/4 x 1/4 x 1/25 inch). White.