VEVOR 200 Sets 3 inch 75mm Pin Back Button Parts, DIY Round Button Badge Parts, Set Includes Metal Top, Plastic/Metal Button, Clear Film, and Blank Paper For Gifts Presents, Machine NOT Included 200 Complete Sets Metal Bottom Parts & Covers Plastic Bottom Parts Clear Films Size Chart Special Gift Plastic Bottom Part Diameter: 2.8 inch/ 72 mm,Metal Bottom Part Diameter: 2.8 inch/ 72 mm,Model: D75-100S+100J,Material: Metal & Plastic,Film Diameter: 3.4 inch/ 86.5 mm,Metal Cover Diameter: 3 inch/ 75 mm,Weight: 6.5 lbs/ 2.96 kg