The classic BPA/BPS-free Nalgene Narrow Mouth bottle in 4 exotic rainbow animal prints. All Nalgene bottles are now made with a revolutionary resin powered by new recycling technology that transforms plastic destined for landfills into high-performance BPA/BPS-free bottles. Made from material derived from 50% plastic waste (using ISCC certified mass balance), further offsetting the use of fossil fuels and lowering greenhouse gas emissions.