CamelBak Eddy 20oz Vacuum Insulated Stainless Water Bottle Sleek stainless steel design, with double-walled vacuum insulation that will keep your drink cold for hours Vacuum insulation keeps beverages cold for 24 hours without condensation Made with 18/8 stainless steel and BPA/BPS-free materials Spill-proof: no tipping required, just flip open the bite valve and sip CamelBak Got Your Bak Guarantee: If we build it, we'll Bak it with our lifetime guarantee