1. Metal button badge 2. Pin on back 3. Rustless 4. Printed ... , we have various kinds and sizes, such as1. round (25mm, 32mm, 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 ...