The camping shower water tank is 55.11 long x 8.46 wide x 5.9 high ,33 lbs empty,89 lbs full,8 gallon size. Pressurizing the camp shower with an air pump,You can use a tire inflator pump or another suitable pump,safely top pressurize don t higher than 80 PSI.The angle valve must be opened and exhaust the compressed air and water from the camping shower before add water each time Super Durable design:This camping shower water tank is made of high-strength aluminum and magnesium alloys,high quality hardware,which is strong and built to last, It is very suitable for the use of complex field environment Great for camping and overland: A must have for the overlander,camping shower tank is ideal for on-the-go showers, cleaning and rinsing equipment, and any time you need pressurized water. Take it camping, fishing, to the beach, off-roading,surf,hunting, picnics, BBQs, parties ,or anywhere your life meets the great outdoors Easy to mount and use:This outdoor camping shower is a great addition to our overland truck. Easy to use and mounted on the Roof rack on your SUV.This Item is a great addition to overland truck More options: This pressurized camping shower is solar heated and has a temperature gauge on the outside so you can see how warm the water is. Please note:Read Instruction manual before Using.