These thin 3D foam square packs are permanent double-sided foam squares in white. The strong and dimensional squares come in two sizes and in 1mm height that is wonderful for that subtle pop of dimension. With 10 packs of 217 pieces each, you will be able to keep creating projects for a long time! It is perfect for adding discreet dimensions to cards, scrapbooks, mixed media and more. Layer and stack them for gradual height to create visual interest quickly and easily. Details: White 10 packs (217 pieces per pack, 2,170 pieces total) Permanent double-sided adhesive Archival safe, lignin and acid free Foam and adhesive Contents: 154 squares per pack (0.25" x 0.25" x 0.04"/6.35mm x 6.35mm x 1mm) 63 squares per pack (0.43" x 0.47" x 0.04"/11mm x 12mm x 1mm)