Safe Material: BPA free, Food grade silicone hose, 304 stainless steel, high density ABS plastic shell.

USB powered: Rechargeable battery, can be used to pump out 4-6 water jugs if fully charged.

Fits All Standard Size Bottle: Standard size is 2.16 Inch (5.5cm) neck size, fits for 2, 3, 4, 5 gallon and other standard size water bottle.

Extensive use: Portable device for both indoor and outdoor use like office, home, Kitchen, camping, picnic, activities, etc