Nalgene Sustain 16oz Narrow Mouth Water Bottle with Screw Top Lid - With an easy-drinking narrow-mouth opening and super convenient 16oz size, this is a bottle you'll always want at your side. 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