The rubber stamp carving blocks are made of high quality soft rubber,It be easier to carve into the shape you want by using the tools we prepared. 4 rubber blocks, 1 set carving tool and 1 4-inch rubber brayer roller, No need to worry about finding other accessories. Suitable for creating , long lasting stamps that are great for school and home activities., Weight: 2.66097950234 pounds, Manufacturer: ximie