Nalgene 24oz On The Go OTG Spring Green Tritan Bottle is made from Eastman Tritan TM copolyester that is manufactured without Bisphenol A (BPA) This bottle has a recycling code of #7, which means other. It does not contain BPA Let's you enjoy the flavors of your beverage, not your bottle Opens and closes with easy flip-top lid Allows for easy one handed operation