Scrapbook Adhesives By 3L: 3D Foam Squares Mix 10 Pack - 2MM (1/16") Black - 01615-mp, Each 217 Square Pack includes 154 1/4" squares and 63 1/2" squares. 3D Foam Squares Black Mix are permanent double-sided foam squares in black. The strong and dimensional squares come in two sizes, ¼” (one sheet of 154 squares) and ½” (one sheet of 63 squares) with a height of 2mm (1/16”). The 2mm height is wonderful for that pop of dimension.The multi-pack comes with ten (10) packs that will keep you creating projects for a long time! It is perfect for adding dimensions to cards, scrapbooks, mixed media and more. Great for layering and stacking, even on window cards. Its high-density foam that will not crush or melt when heat embossed. Scrapbook Adhesives by 3L adhesives are Archival Safe, Lignin and Acid Free. Our adhesives are versatile enough for use in home, office, school, and crafts.