The Kickback Atlantic Stainless Steel Drinks Bottle from Camelbak keeps beverages cold for 8 hours and hot for 4 hours. Chug or sip from the two-sided interface to quench your thirst and re-hydrate however you desire. Key features: Double wall vacuum insulated Splash-proof design BPA/BPS/BPF free Does not sweat Chug or sip from two-sided interface Cap is dishwasher safe