Features: Magnetic Bottle Mounts: Each holder is equipped with a rubber coated magnet, and two magnets will be added to the water bottle holder. These magnets are ideal for mounting on machinery and can be removed at the end of each project. Strong Magnet Truck Cup Holders: Each mount comes with rubber coated magnets rated at 18kg of holding force each. Two will be added onto the bottle mounts and three for the gallon jug mount. These are great for mounting to machinery and can be removed at the end of each project. Universal Water Bottle Holder: We have three different sizes for you to choose from, which can accommodate 46 ounces, 50 ounces or 64 ounces of water bottles to meet your diverse needs. Strong and Stable Structure: Made of high-strength, impact-resistant, and UV-resistant 3D printing materials, you can now install them anywhere, anytime. Widely Usage: The magnetic water bottle holders are suitable for any flat metal surface, such as tractors, tool boxes, refrigerators, boats, yachts, treadmills, lawn mowers, van, RV apartments. Two pack cup holders are great for keeping cup moving at all times. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Small size: 5.68*6.4*6.8 cm Medium size: 6.75*6.4*8.06 cm Large size: 7.8*7.4*9.4 cm Package List: 1x Magnetic Bottle Mounts