Item Type: Cover Button Kit Material: Rubber, Metal Product Specification: 1 Set Product Use: Sewing and Embroidery Supplies Scope of Application: Most Scenes Package List 1 x Set of 15mm Cover Button (22pcs) 1 x Set of 18mm Cover Button (22pcs) 1 x Set of 22mm Cover Button (22pcs) 1 x Set of 28mm Cover Button (22pcs) 1 x Set of 38mm Cover Button (22pcs) 1Application: Covered button kit can be matched with hair clips, earrings, pendants, bags, key chains, sofas, chairs, beds, etc. 2Strong Abrasion Resistance: Cover buttons starter kit has strong abrasion resistance, high hardness, and is mostly used for assembling on various ornaments and pendants. 3Multiple Sizes: Flat back button covers kit is available in multiple sizes and in sufficient quantities to meet your DIY needs. 4Rubber and Metal: Cover buttons are made of rubber and metal materials, with a brighter, less rusty and durable appearance. 5Holiday Gift: Cover buttons are the perfect gift for your craft loving friends and family for Christmas, Thanksgiving, Memorial Day, etc.