Creative Hobbies Ceramic Mold Rubber Bands, Special Heavy Duty Formulation, 1 Pound Bag - 5 Inch Size Creative Hobbies Ceramic Mold Rubber Bands are a natural, heavy duty formulation and are ideally suited for ceramic and pottery use to hold plaster molds together. Also great for woodworking projects to hold parts together for gluing and for other holding applications. Approx. 7/8 inch wide x over 1/16 inch thick natural rubber formula. Size is the minimum width that the bands will hold (5" will hold min 5" wide object but can be stretched to hold a 7 to 8 inch wide object). Approx 38 pieces per pound bag.