The LifeStraw Go 2.0 Stainless Steel Water Filter Bottle is an essential companion for safer, better-tasting water during travel and outdoor activities. This BPA-free bottle filters out bacteria, parasites, microplastics, chlorine, silt, sand, and cloudiness, making it ideal for filling up from various sources like airport bathrooms, taps in foreign countries, or gas stations. The advanced 2-stage filter includes a carbon filter that reduces chlorine, odors, and organic chemical matter, as well as a membrane microfilter that lasts up to 1,000 gallons (4,000 L). The double wall vacuum insulation keeps your water cool all day. By purchasing this bottle, you're not only enhancing your own experience but also contributing to providing safe drinking water for a child in need for an entire year.