Adhesive foam squares. These double‑sided adhesive foam squares are perfect for creating a raised 3D effect in your crafting projects. Simply apply them to a clean, dry surface, remove the first protective layer, and attach the square to your decoration. Then peel off the second layer and press the piece firmly into place. They are ideal for cardmaking, scrapbooking, and adding dimension to various paper crafts. Not suitable for children under 3 years.