Easy to install and useLightweight, compact. No need to lift those heavy 5 gallon water bottle any moreIt can be installed with almost any 2-6 gallon water bottle (most suitable for 52mm-55mm crown bottle type), designed for pure water, mineral water and other bottled water users.Made of plastic materialSpecification: Material: plasticuse: Bottled sailor pressure water pumpPackage Include: 1*drinking water pumpIf you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.Switch and USB charging Automatic Drinking Pump