This Nalgene Narrow Mouth Sustain Bottle 1L is ready to keep you hydrated while out exploring. 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. The new Nalgene Sustain product line is made from 50% certified recycled content further offsetting the use of fossil fuels and lowering greenhouse gas emissions.Nalgene Narrow Mouth Sustain Bottle 1L FeaturesBPA/BPS Free - So you can drink water that\'s safe and tastes great.Built to Last - Durable goods made to last a lifetime.Dishwasher Safe - Safe to put in the dishwasher and easy to clean.Leak-Proof Guarantee - Continuous, straight shouldered semi-buttress threads keep the bottle sealed tight.Lightweight - Engineered to count for when weight matters most.Recycled Material - Made from recycled materials so you can look good and feel good.