The new Sustain 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.Enjoy the wonderful durability of Nalgene along with our Philmont Checklist logo!32ozWeight: 6.25 ozBPA/BPS FreeDishwasher SafeFits Filtration DevicesLightweightMade in the USALeak-Proof Guarantee