Attach the Diamond Plate(tm) Magnetic Stainless Steel Cup Holder to anything metal, such as riding mowers, tractors, heavy construction equipment, backyard metal tables, and more. Features heavy-duty magnets in base for a secure hold. Handsome exterior mirror finish, insulating foam insert to keep drink cold, and a drainage hole. Measures 3-1/2"" diameter, 4"" height. Gift boxed.