1.Enough to Use: you will receive 100 sets of cover buttons kits, including 100 pieces of cover buttons and 100 pieces of wire backs, equipped with 2 sets of tools, abundant in quantity, enough to use and replace, easy to meet your daily needs 2.Proper Dimension for Using: the cover button is about 1.1 inches/ 28 mm in diameter, the wire back is about 1.02 inches/ 26 mm in diameter, suitable size for you to use, portable and lightweight 3.: with the tools we provide, you can easily use our cover buttons kits to complete DIY button tasks, and then sew them into the clothing or household items you want to decorate, to add more charm to your items 4.Long Time Use: the cover buttons and wire backs are made of aluminum and stainless steel material, firm and strong, not easy to break, deform or rust, the tools are made of rubber and plastic material, sturdy and reliable, suitable for you to use for a long time