LifeStraw's double-walled vacuum insulated stainless steel water bottle contains an advanced filter that precedes bacteria, parasites, microplastics, chemicals, Such as Chlorine protects and improves the taste This water filter bottle is Ideal for outdoor adventure, international trips, for daily use and for emergencies. Simply fill them with water from a lake, river or water tap and filter on the way. No disposable plastic bottle needed any more. LifeStraw filters are thoroughly tested to meet the requirements of the US Environmental Protection Agency (EPA) and NSF International/ANSI. Your purchase has an impact. For every LifeStraw product purchased, a needy school child receives clean drinking water for a whole school year.This text is machine translated.