Safe and Healthy Material: Electric water pump with food grade silicone hose, 304 stainless steel outlet pipe and durable PP material shell. BPA free drinking water pump, odor-free and non-toxic. The built-in silicone seal prevents water leaking effectively.^ Wide Application: This upgraded 2-5 gallons bottle water pump can match with different size bottles. Compatible with most size of bottles, such as 3.8L, 5L, 7.5L, 10L, 11.3L, 15L, 17Land 18.9L.^ Rechargeable Battery: Built-in 1200mAh rechargeable battery that can be used for a long time after fully charged. Support USB charging.^ Package Include: Main engine of the water pump, outlet pipe, water-entering pipe (50cm), USB charger and English user manual.^ Easy to Carry: water pump is lightweight (235g), portable, plug and play, its compact size makes it easy to carry around, ideal for family, offices, travelling, picnics, children's sporting events, beach days and barbecues. ^