3L-Scrapbook Adhesives: 3D Foam Squares. These self-adhesive foam squares are designed to give a touch of dimension to your paper crafting projects. Use them to attach any element that you want to raise up and emphasize. This package contains 217 adhesive foam squares-- 63 measure 11x12 mm (.43x.47 inch) and 154 measure 6.35x6.35 mm (.25x.25 inch). Available in black or white. Imported.