Food grade water pump, BPA free, no toxic, no smell, with a USB rechargeable battery - fits for 2,3,4,5 Gallon water bottle and other standard size bottles. Makes Life Easier and Better! Why Choose Our Water Pump Dispenser? 1. Safe Material: BPA free, Food grade silicone hose, 304 stainless steel, high density ABS plastic shell. 2. USB powered: Rechargeable battery, can be used to pump out 4-6 water jugs if fully charged. 3. 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. 4. Extensive use: Portable device for both indoor and outdoor use like office, home, Kitchen, camping, picnic, activities, etc Myvision 1Myvision 2Myvision 3Myvision 45 Gallon Water Bottle✓✓✓✓