Universal Magnetic Cup Holder, Heavy Duty Plastic Drink Holder, Magnet Cup Holder for Bus Tractor Van RV, Vertical or Horizontal Mount, Fits Most Cup, Bottles, Cans, Tumblers, Black Pack of 1

Strong Magnetic Cup Holder: Heavy duty plastic cup holder is mounted into an extra-strong magnet with 2 screws, ensuring your beverage stays firmly in place on ferrous metal surfaces.

Powerful Magnet: Once attached to ferrous metal surface, the magnet will not move. Ideal for use on fridge, bus, tractor, mower, golf cart, gym equipment, RV, Van, Old Car, etc. NOTE: not compatible with stainless steel surface.

Fit Various Drink Sizes: With a top diameter of 3.7 inches and a bottom diameter of 3.2 inches, this holder is perfect for most cups, bottles, cans, and tumblers, including popular 20 oz, 30 oz, and 40 oz tumblers.

Horizontal or Vertical Mounting: Can be securely mounted to both horizontal and vertical ferrous surfaces, allowing you to adjust it based on your specific needs.

Scratch-Resistant: The magnet is fully encased in rubber to prevent scratches on the surface it touches. In addition, The cup holder is rustproof and designed for durability, can last for years.