What Our Gearhead(R) Experts Are Saying:"This bottle is a lifesaver for travel and outdoor adventures. The two-stage filter makes tap or river water taste clean and safe, and the stainless steel keeps my water cold all day. It's perfect for reducing single-use plastics while staying hydrated wherever I go."The LifeStraw Go Stainless Steel Bottle empowers us to explore with confidence, whether we're traveling abroad or hitting the trail. The two-stage filtration system removes bacteria, parasites, and microplastics and reduces chlorine for safer, better-tasting water. Meanwhile, the double-wall vacuum-insulated stainless steel bottle offers ample hydration, keeps drinks cold for hours, and stands up to rugged use.