Button bulk list: You will receive 80 pieces of metal top covers, 80 pieces of metal button pin back covers, 80 pieces of round transparent film and 1 piece of gasket. Our badge blank button pins fit most 58mm / 2.25inch button making machines Reasonable design: The shell and back cover are made of high-quality alloy to make the badge buttons more textured and stronger, and the high-quality plastic film protects the pattern while maintaining the of the badge. The metal button back cover has a longer service life than the plastic back cover and is not easily damaged Dimensions: Clip button diameter is 58mm / 2.28 inches (. 2-1/4 inches), round clear film is 70mm / 2.76 inches (. 2-3/4 inches). Recommend using 70mm diameter 100gsm-157gsm Coated paper or colored inkjet paper Wide range of uses: Using our metal button parts supplies set, you can make a of special badges, not only suitable for home, school, company, small business, exhibitions, events, attractions, but also can be used as name tags, souvenirs, personalized birthdays Gifts, holiday gifts, suitable for family, friends, classmates, teachers, colleagues. EASY TO USE: Our button making supplies are convenient and easy to use. First, choose your favorite picture paper with a diameter of 70 mm, then put the metal top, picture paper and plastic film into the mold of the button making machine, and press them in sequence. Finally, place the gasket and metal button back cover into the mold and press together with the front part. Colour:Silver Material:Metal Package Contents: 1 set x button maker supplies Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.