Shop CamelBak Hot Cap Copper Vakuum Insolation Stainless Steel 20oz as a great promotional giveaway optionYour beverage stays perfectly hot or cold no matter where your day takes you with the Hot Cap. This tumbler is double wall 18/8 grade stainless steel with copper vacuum insulation for ultimate conductivity to keep drinks hot for 8 hours and cold for 24 hours. Imprint your logo on the front so you can hand it out to employees who commute to work or who need to travel for business. On-trend, durable powder coating. The twist-open leak proof cap allows 360º drinking. Wide mouth opening for easy cleaning and filling. Recommended to hand wash only.