Ditch the multi-bottle setup with LifeStraw's Peak Series—a revolutionary all-in-one water storage and filtration system. Weighing under 4 ounces and fully collapsible, this ultralight companion transforms from straw filter to squeeze bottle to storage solution, adapting to every adventure. Crafted from premium, durable materials, it withstands the rigours of long-haul travel without fear of rips or punctures. The optimized filter membrane delivers excellent flow rates whilst the smart seal mouthpiece and over-cap design eliminate leakage. Stack multiple Peak units together for extended trips. One compact device replaces your entire water-carrying arsenal.