• 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