3L CORP-Scrapbook Adhesives: White 3D Foam Squares: Is your paper craft project looking a little flat? Try these wonderful foam squares. Features: add dimension, great for layering, high density, acid free, archival safe, permanent, acrylic based, lignin free, PAT tested and approved. This package contains 308 squares.25x.25x.08" / 6.35x6.35x2mm