The New Look of sustainability. 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. BPA/BPS Free - So you can drink water that's safe and tastes great. Built to Last - Our durable goods are made to last a lifetime. Dishwasher Safe - Safe to put in the dishwasher and easy to clean. Fits Filtration Devices - Fits most filtration units for clean water in a pinch. Fits Ice Cubes - Put ice in your bottle with ease and enjoy your frosty beverage anywhere. Leak-Proof Guarantee - Continuous, straight shouldered semi-buttress threads keep the bottle sealed tight.