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, PlasticSpecification: 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