The original. The trailblazer. The Sir Edmund of water bottles. Sustain is crafted from next-generation recycled resin that transforms plastic destined for landfills into high-performance, BPA-, BPS- and phthalate-free bottles Completely leakproof with continuous, straight-shouldered, semibuttressed threads that keep the bottle sealed tight Easy-to-clean, dishwasher-safe Tritan Renew copolyester material is free of BPA, BPS and phthalates Wide-mouth design fits most filtration devices (not included) and is easy to fill with ice cubes Built to last, guaranteed by Nalgene Made in USA. Sustainability in your hands. Nalgene is proud to be the first to market with a new resin powered by next generation recycling technology that transforms plastic destined for landfills into high performance BPA/BPS free bottles. Our new Nalgene Sustain product line is made from 50% certified recycled content further offsetting the use of fossil fuels and lowering greenhouse gas emissions.