Pack of 50 sets, including 50 pcs caps + 50 pcs sockets + 50 pcs studs + 50 pcs posts, 200 pcs in total. WIDE APPLICATION: These double cap rivets can be applied for DIY crafts or making clothes such as shirts, jackets, overalls, backpacks, shoes, hats, belts, cotton-padded clothes, jeans, leather and so on MATERIAL: these press studs snap fasteners are made of stout copper with good quality and then plated other colors; and you can apply them for a long time These snap Ring-Socket fasteners are made of copper zinc alloy with nickle-free plating craft, they remains like new even after long time use. Suitable for all kinds of clothing and leather crafts such as bag, wallet, jeans, shoes, hat, craft projects, etc. ASIN B0DMWRVJHH Color Red Brand Name CRAFTMEMORE Head Style Round Cap Model Name Color Coating Cap S-Spring Socket Unit Count 1.0 Count Manufacturer Hong Garment Model Number #2102#5105 Material Type Metal Warranty Description Lifetime Warranty Item Dimensions L x W 0.5 L x 0.19 W Manufacturer Part Number #2102#5105 Recommended Uses For Product Bag, Jeans, Wallet, leather crafts