COATS & CLARK-Susan Bates Plastic Bone Rings. Molded from a sturdy; wear resistant; and dry cleanable plastic; Bone Rings are opaque white circular rings that are suitable for crafting projects. Available in a variety of diameters; Bone Rings are the excellent foundation for creating buttons on knitted or crocheted garments; jewelry; cafe curtains or rings on pot holders. The uses are endless for this handy accessory! Available in thirty 1/2in; twenty-five 5/8in; and fifteen 1in. NOTE: All packaging states the number of contents at fifteen; this is a misprint on the 1/2in and the 5/8in. Imported.