Top quality clear plastic covers to make 1 inch metal pin buttons using a 1 inch button making machine. The diameter size of these plastic mylars is 1 5/16 inch or 33.33 mm diameter. Thickness is 0.03 inch, perfect to be used with regular printing paper. Quality thick protective plastic mylar for button making pin button parts for name badges, events name labeling, school projects, political campaigns or any event. They're intended to make a 1 inch size finalized button. The pin button parts that use these plastic mylars are shown in photos and can be purchased by searching ASIN B07KKLYJSC. In order to obtain a professional button making machine that creates 1 inch buttons search ASIN B004A9KPBQ