[High Quality]: The buttons are made of pure copper, thick and environmentally friendly material, environmentally friendly spray paint, and will not rust. The pliers are made of stainless steel, hard and not deformed.[Snap Kit]: A pack of 200 snaps in 10 colors, including 100 snaps with hollow hooks and 100 snaps, a pair of snaps and a fastening tool. The diameter of each snap button is 9.5mm.[Convenient clip]: Use the clip to install the button, which is very convenient and easy to install. use [Easy to use Carry]: All the snaps are placed in a transparent box with a border, you can quickly find the button you need.[Wide Usage]: The snaps set is used ; for most classic fabrics (cotton, linen, jeans, etc.). Used in baby clothes, T-shirts, shirts or custom made products. hand to answer your question. their different needs.