1. Description of the full-coverage strong magnetic cup holder: This magnetic cup holder is suitable for small bottles or large cups and will not fall off. It can be installed vertically or horizontally and is firmly fixed on ferrous metals. 2. Powerful screw-hole magnets: There are 6 strong magnets built - in, and the cup holder adheres firmly to the metal. Connect the magnet with 1 screw hole to permanently fix the magnet on the cup holder. 3. Anti - fall protection: The full - coverage design allows you to hold a water bottle or a large cup without it dropping. The beverage holder has a diameter of 3.3 inches and a height of 3.6 inches, and is suitable for most cups, cans, sleeved cans, bottles, glasses, etc. 4. Vertical or horizontal installation: The magnets can be installed vertically or horizontally, and you can adjust them as needed. The cup holder is suitable for refrigerators, tractors, school buses, lawn mowers, treadmills, toolboxes, grills, etc. However, it cannot be used with stainless steel because stainless steel is non - magnetic. 5. Rust prevention: The cup holder is made of strong and thick iron. When baked, the magnets are completely coated with rubber, so they will not rust and can be used for many years. In addition, the magnetic cup holder will not scratch the equipment. 6. Color: Black 7. Material: Iron 8. Package contents: 2 X Magnetic cup holders. Only the above package contents are included, and no other products are included. 9. Note: Due to light reflection and different monitors, the color of the item in the picture may be slightly different from the actual item. Please allow a measurement error of +/- 1 - 3Cm.