1. Material: stainless steel 2. Securely holds your drink in place 3. Strong magnet, once attached to a metal surface, the cup holder will not move 4. If you want to reposition the cup holder, just pull the cup holder out of the metal surface and then glue it on again 5. The surface is painted and the magnet is covered with rubber, which does not rust and can be used for many years, and the cup holder will not scratch the surface of the appliance 6. Suitable for any flat metal surface, such as trucks, cars, tractors, lawn mowers, forklifts, treadmills, tool boxes, etc. 7. Coaster diameter 3.22 inches, height 3.51 inches, suitable for most cups, cans, bottles, glasses, etc.
