【Snap Button Kit】The snap fasteners consist of a set of metal snap buttons, including two caps, a stud, and a socket, with a diameter of 12.5 mm; the 120 sets of snap fasteners are divided into 6 colors, with 20 sets per color. 【How to Use】Each fastener set includes 2 caps, a stud, and a socket; the cap diameter is about 12.5 mm / 0.49 inch. Useful for your crafts. You should try them on small items like leather. They are easy to use for homemade crafts. 【Convenient】Comes with fixing tools, and the instructions are as clear as possible so you can easily make a hole and fasten the snap button. 【High Quality】These metal jean buttons are made of high-precision pure copper. They are washable, never embroidered, durable, and strong. They are non-toxic and formaldehyde-free, with a smooth, rust-resistant surface. The materials are thicker than similar buttons on the market. 【Applications】These useful snap fasteners are good and suitable for clothing making, crafts, and embellishments. They can be sewn on shirts, jackets, overalls, backpacks, shoes, hats, belts, padded garments, jeans, leather, etc. Useful snap button kit: These leather buttons can be used for DIY projects or clothing making such as shirts, jackets, overalls, backpacks, shoes, hats, belts, padded garments, jeans, leather, etc. Package includes: 120 snap buttons + tools, 4 x fixing tool sets (pointed punch, concave punch, convex punch, striking pin), 1 x punch pliers, 1 x storage box