Legend Stainless Steel Water Bottle is a 20oz. doubled walled water bottle with 18/8 Stainless Steel liner and vacuum sealed are perfect for the gym, or your next outdoors activity and sporting event. The Legend Water Bottle features a stainless steel lid with bamboo design air-tight seal to ensure you have a refreshingly cold or warm drink while you are traveling, additional handle on the top, very durable and easy to carry. FDA certificate, BPA Free and CA Prop 65 list, doubled walled and vacuum sealed to retain your beverage temperatures keep hot up to 12 hours, cold up to 24 hours. Great for hiking, camping and outdoors activities. FDA certificate, BPA Free, CA Prop 65 list