Feature: 1. 100 Sets: You will receive 100 sets of button making supplies, including metal covers, plastic bottoms, and transparent protective films. 2. Metal Back Pin: The back is designed with a metal pin, which can be pinned on clothes or bags and can be used repeatedly. 3. Applications: Button pin badge kit is very suitable for school events, name tags, souvenirs, personalized birthday gifts, holiday gifts. It can be used for clothes, backpacks, hats, etc. 4. DIY: These round badge button parts are suitable for button maker machine, you can do DIY with your creativity and imagination. 5. Antirust: Tinplate and plastic base can effectively prevent rusting and make your work more long term use and preservation. Specification: Item Type: Pin Back Button Parts Material: Tinplate, Plastic Specification: 100 Sets (One Upper Badge Cover + One Lower Badge Cover + One Film Compose A Set) Product Features: Badge DIY. Package List: 100 x Upper Badge Cover100 x Lower Badge Cover100 x Sheet of Film