This acrylic roller comes as a set of hollow and a solid one. The solid roller fits conveniently into the hollow roller for storage.

7-3/4 x 1-1/4 inch round,  and 7-3/4 x 1 inch round

Clay Roller is designed to roll even sheets of clay. Its non-stick surface eliminates the need for a release agent. It smooths clay surfaces, and cleans with soap and water.