Fits most bar diameters

NEWMAG is safe for and beautifully cleans all magnesium

Will Not Harm Anything Water Will Not Harm

Not waterproof

1 inch wide by 3 1/4 long

GFCUPHMG MAGNETIC SS CUP HOLDER Feminine Stainless Steel Rings Fits most bar diametersAttach 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.