The Eco Vessel 36 Ounce bottle with loop top is a great bottle for those that drink a lot of water. Feel good knowing that our 100% recyclable bottles are BPA-free, made from the highest quality #304 stainless steel and are designed for safety, ease of use, and convenience. Accept no substitutes for an original Eco Vessel stainless steel bottle. By purchasing an Eco Vessel bottle, you are helping to save the planet from useless waste that accumulates from the billions of water bottles that clog our landfills every year.