MONOCHROME COLLECTION: Sleek monochrome tones and colors to match your vibe. Coordinate your Nalgene water bottles with your mood and take with you to the gym, office, camping, exploring and everywhere in between THE FUTURE OF RECYCLING: Our new Nalgene Sustain product line is made from material derived from 50% waste plastic (using ISCC certified mass balance), further offsetting the use of fossil fuels and lowering greenhouse gas emissions BPA/BPS FREE: All Nalgene bottles are now made with a revolutionary resin powered by new recycling technology that transforms plastic destined for landfills into high-performance BPA/BPS-free bottles. Dishwasher safe LIGHTWEIGHT & DURABLE: Our simple, modern water bottles are made to last a lifetime but engineered to count for when weight matters most. Perfect lighweight water bottle for backpacking & hiking - fits most filtration units for clean water in a pinch LEAKPROOF GUARANTEE: Continuous, straight shouldered semi-buttress threads keep this leakproof water bottle sealed tight. Suitable for both warm and cold beverages (-40 to 212 degrees Fahrenheit)