Make it a double with the Camelbak Horizon SST Vacuum Insulated Rocks Tumbler 300ml, Camelbak's double-walled Rocks Tumbler.Don't worry about your cocktail losing its cool for a whole 5 hours, thanks to the vacuum-insulated stainless steel that keeps everything at the ideal temperature.You gotta feel it to believe it with our full powder coat finish, durable enough to go from backyard deck to dishwasher. The tri-mode lid slides open to suit your sip and is spill-resistant when closed.A non-slip silicone base seals the deal and grips surfaces to avoid scratches and accidents.Camelbak Horizon SST Vacuum Insulated Rocks Tumbler 300ml FeaturesVacuum insulated - double-wall vacuum insulated to maintain temperatureSpill-resistant - tri-mode lid for flow controlNon-slip silicone baseDurable - 18/8 Stainless steel with full powder-coat finishDishwasher safeBPA, BPS and BPF free3 hours hot, 5 hours cold