1、Material: Made of LLDPE material, this water tank is suitable for drinking water standards. It is shock resistant, impact resistant, weather resistant, and can be used in temperatures ranging from ‑40 to 80 degrees Celsius. 2、Integrated Design: Water tank is made using a one piece molding process, with no welding gaps, ensuring its seal performance and preventing leaks. The square design makes it easy to store and transport. 3、Can Cut Holes: Smooth and completely sealed shape of the water tank allows for customization with holes in any position to adapt to your specific needs or vehicle. 4、Quick and Easy Filling: Equipped with a 130mm large diameter water inlet that comes with a sealed cover and outer cover for double protection, allowing for easy and quick water filling. 5、Wide Application: Store up to 16 gallons of drinking water at a time, water tank is convenient for daily use or camping outdoors to enjoy clean drinking water. Ideal for RVs, trailers, outdoor campers, ships, yachts, and even household water storage needs.