Sustainability in Your Hands: Our new Nalgene Sustain water bottles are made with material derived from 50% Plastic Waste (using ISCC certified mass balance).This material is powered by next generation recycling technology that transforms plastic into high performance BPA/BPS free bottles for everyday (and safe!) use. Easy Storage: This water bottle is a camping classic that allows for easy storage when empty. For Your Everyday Adventures: Take your Nalgene bottle to the gym, office, camping, exploring and everywhere in between Leak-Proof Design: This Nalgene water bottle is completely leak proof, made of durable BPA-free Tritan, easy to clean and dishwasher safe on the top rack. Perfectly Portable: This rugged, modern trail companion holds an impressive 32 ounces of water and its slim design makes it portable and great for any adventure