The coolest canteen in camp. This 32oz canteen is made with Nalgene&';s leakproof narrow mouth closure and fits in standard canteen holders. Sustain bottles are made with material derived from 50% plastic waste (using ISCC certified mass balance). 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