SCRAPBOOK ADHESIVE- 3D Foam Circles. Strong permanent double-sided adhesive, great for metal, wood, canvas and more! High density foam will not crush or melt when heat embossing and perfect for adding dimension to cards, scrapbooks and mixed media. This package contains 56 white .5x.08 inch 3D circles and 180 white .25x.08 inch 3D circles. Acid free. Archival quality.