Nalgene Sustain 32oz Narrow Mouth Water Bottle with Screw On Cap - The popular 32oz size in an easy drinking narrow-mouth style. Sustain bottles are made using ISCC certified mass balance with material derived from 50% waste plastic. Each bottle is created from resin powered by next generation recycling technology that transforms plastic destined for landfills into high-performance bottles. Made in the USA BPA free Dishwasher safe