Our Quilting Clapper is made from 1.5" red oak which is heavy and durable for all your needs. The clapper is used to help flatten seams and creases by absorbing steam and heat. Hence, resulting in a crisp, professional-looking finish, on your most difficult fabrics. This clapper has a rounded top edge and a convenient handle to allow for easy movement and comfortable grip. The clapper measures 12" long, x 12" wide.