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. The COLORBLOCK COLLECTION features bold tones and colors. Vibrant Nalgene water bottles to match your mood at the gym, office, camping, exploring and everywhere in between. Our 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. 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. They are dishwasher safe. Our simple, modern water bottles are made to last a lifetime but engineered to count for when weight matters most. Perfect lightweight water bottles for backpacking & hiking - fits most filtration units for clean water in a pinch. 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).