Made of brass material, it is great with punch tools and fixing tools. It's a good replacement for lost buttons, adding ornament to your crafts. You can add functional snaps to shirt, windbreaker, down jacket, jackets, overalls, backpacks, shoes, hats, belts, cotton-padded clothes, jeans, craft, DIY craft, etc. Besides, a storage box is included for easy classification and convenient use. Feature - ColorAssorted Color - Material: Brass - Package size: About 12.9 x 6.8 x 2.2 cm/ 5.07 x 2.67 x 0.86 inch(LxWxH) - - Good replacement to add ornaments to your clothing or crafts. Can be applied for belts, windbreaker, down jacket, jackets, overalls, backpacks, shoes, hats, jeans, craft, DIY craft, etc. - One set includes 30 snaps fasteners studs, 1 x 10mm punch , 1 x setting base. Almost all tools are contained to meet your different requirements. - Comes with an organizer storage box for you. These snaps and fasteners will be sorted out and convenient for you to quickly find the corresponding component. - Easy to install the snaps and fasteners: Firstly, a hole on the product with the punch . Then, hammer and push the snaps on both sides. Finally, lock the mechanisms together securely. - Note: Products contain small parts, please keep out of the reach of children to prevent inadvertent swallowing or other potential . Package list: 1 x set of 10mm Leathercraft Punch Die Tool Snap Button Fasteners Setting Base Screw Press Studs Clothing Snaps Tool Fixing Repair Kit With Storage Box