Welcome to the store! 100 Sets: You will receive 100 sets of button-making supplies, including metal covers, plastic backs, and transparent protective films. Metal Back: The back is designed with a metal pin, which can be attached to clothes or bags and can be used repeatedly. Applications: Button pin badge kits are very suitable for school events, name tags, souvenirs, personalized birthday gifts, and holiday gifts. It can be used for clothes, backpacks, hats, etc. DIY: These round badge button parts are suitable for button-making machines, you can DIY with your creativity and imagination. Rust Protection: Tinplate and plastic base can effectively prevent rust and make your work more durable and preserved. Item Type: Button Pin Badge Parts Material: Tinplate, plastic Specification: 100 sets (an upper badge cover + a lower badge cover + a film constitute a set) Product Features: Badge DIY 100 x Upper Badge Covers 100 x Lower Badge Covers 100 x Sheets of Film Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!