Safe materials BPA construction with a food grade silicone hose and a density ABS plastic shell. This combination is designed for safe contact with drinking liquids and durable everyday use. Power and operation USB powered and rechargeable with a built in battery. When fully charged it can pump out 4 to 6 water jugs, providing cordless convenience for dispensing water wherever you need it. Bottle compatibility Fits all standard bottles with a neck size of 2.16 inches (5.5 cm). Compatible with 2, 3, 4 and 5 gallon jugs as well as standard size water bottles. Portability and versatility A portable device suitable for both indoor and outdoor use. Ideal for office, home, kitchen, camping, picnics and other activities where convenient water dispensing is helpful. Use scenarios In the office or at home, quickly dispense water from a heavy bottle at your desk without lifting and tilting large jugs. On camping trips or picnics, set up a nearby water source and dispense water easily for cooking, drinks, or cleanup. During kitchen or entertaining events, provide guests or family members with a simple way to fill cups or pitchers from a large bottle.