Go further with the 1L Nalgene 'Narrow Mouth' bottle - designed to keep you hydrated on your longest adventures. With its leakproof design, lightweight build, and BPA/BPS-free materials, it’s easy to pack and carry. The narrow mouth makes sipping on the go effortless, while the large capacity means fewer refills and more miles. Dishwasher safe for easy cleaning, too! 32oz / 1000ml, Tritan - BPA/BPD Free Plastic, Lightweight, Dishwasher Safe, Leakproof, Made in the USA, Nalgene, Shop All Bottles and Flasks. NEW LOOK! The same great Sustain water bottle made with material derived from 50% plastic waste now has a new look. You may receive a bottle with or without the Sustain Logo on it, both are your favorite Sustain water bottles. Our new Nalgene Sustain product line is made from Tritan Renew, 50% certified recycled content further offsetting the use of fossil fuels and lowering greenhouse gas emissions. The original. The trailblazer. The Sir Edmund of water bottles. Nalgene's BESTSELLING water bottle for more than 30 years For Your Everyday Adventures! Take your Nalgene bottle to the gym, office, camping, exploring and everywhere in between Suitable for both warm and cold beverages (-40 to 212 degrees Fahrenheit) All Nalgene bottles are made with a revolutionary resin powered by new recycling technology that transforms plastic destined for landfills into high-performance BPA/BPS-free bottles. This material is derived from 50% waste plastic (using ISCC certified mass balance), further offsetting the use of fossil fuels and lowering greenhouse gas emissions.