1. square metal pin button badge 2. Pin on back 3. Rustless 4. Printed on paper 5. Various Size a. square metal pin button badge ... , 44mm, 50mm, 58mm, 65mm, 75mm etc),2. square(40*40),3. rectangular (23*68, 40*60),4. oval (43*67),5 ... . heart and triangle.b. One button badge machine can make any badges with molds/dies, pin badges, bottle openers, mirrors, key ...