LABLANCHE-Silicone Stamps. These high-quality silicone stamps will provide endless inspiration for anyone who uses them! Each stamp comes mounted on a durable 1/2 inch thick white foam block so you can stamp easily with minimal pressure. The silicone nature of the stamps is extremely heat resistant and makes for fantastically detaile d designs. This package contains one stamp with a Used Anemonies design: 3x3 inches. Imported.