- High-quality clear stamps for paper crafting - Clear stamps are easy to use - Just position them on an acrylic block (not included) and start stamping! Great for card making scrapbooking and other paper crafts - Material: Silicone - Size: 1) 12.5x15.5cm 2) 14x18cm 3) 10.5x12cm 4) 10.5x12cm