Features 1.Widely used, used in a variety of jewelry, gifts, toys and accessories, etc. 2.Made of high-quality materials, high brightness, not easy to rust. 3.High abrasion resistance, high hardness, and is used for assembly on various accessories. 4.This product is deeply loved by many handicraft enthusiasts. 5.You just need to supply the fabric and make your own style button easily. Specification Item Type: Cover Buttons Kit Material: Rubber + Metal Optional Size & Weight: Diameter: 40mm / 1.6in, Per Bag Weight: 36 g / 1.3 oz(approx.) Diameter: 30mm / 1.2in, Per Pack Weight: 20 g / 0.7 oz(approx.) Diameter: 25mm / 1in, Per Pack Weight: 16 g / 0.6 oz(approx.) Diameter: 20mm / 0.8in, Per Pack Weight: 12 g / 0.4 oz(approx.) Package List 1 Set of Buckle Tools 10 Sets of Buckle Base