Magnetic Cup Holder for Fridge SUS 304 Stainless Steel Magnetic Water Bottle Holder Magnetic Drink Holder for Tractor Mower Truck School Bus Refrigerator Treadmill RV Boat Metal Surface - 2 Pack Black

["Our magnetic cup holders fit various bottles, including coffee travel mugs, water bottles, cups, and glassware. The holder measures 82mm (3.22 inches) in diameter and 90mm (3.51 inches) in height, fitting most bottles between 10-40 ounces with a diameter of 3.22 inches.","Made from high-quality 304 stainless steel with a protective coating, these cup holders are built to last. The black rubber-coated magnets prevent scratches on metal surfaces while providing strong magnetic force up to 50 lbs.","Equipped with six rare earth magnets wrapped in black rubber for anti-rust and anti-scratch protection, ensuring the holder stays firmly attached to ferrous metal surfaces like tractors, lawn mowers, refrigerators, and more.","Perfect for use in garages, outdoors, and on various metal surfaces such as tractors, trucks, RVs, boats, school buses, treadmills, and refrigerators. Easily removable by lifting straight up for repositioning or storage.","Not recommended for plastic bottles under 10 ounces as they may fall out. The cup holder can rotate 360 degrees. Not suitable for aluminum or stainless steel (non-magnetic) surfaces. Ideal for holding larger cups but not tall or wide thermoses."]