LifeStraw Go is an advanced water filter and durable, BPA free bottle that makes contaminated water safe to drink. The convenient, reusable LifeStraw Go is ideal for hiking, camping, or traveling to areas with poor water quality, and a critical addition to any emergency kit. Fill the bottle with water from a pond, stream, river or suspicious tap and filter it on the go through the easy to use mouthpiece. The advanced 2-stage filter removes 99. 999999% of bacteria (including E. coli and salmonella), 99. 999% of parasites (including giardia and cryptosporidium) and microplastics. It also reduces chlorine and organic chemicals (pesticides, herbicides, VOC) and improves the taste of the water. Your purchase has impact. For every LifeStraw product purchased, a school child in need receives safe drinking water for an entire school year.