Vacuum Insulated Tumbler, 11ozDesigned to keep your beverage hot up to 5 hours and cold for 15 hours, the Sherpa is an 11oz insulated vacuum tumbler that also doubles as a 12oz can insulator. Its double wall construction features an 18 8 grade Stainless Steel inner wall, and a Stainless Steel outer wall. Features clear, press on lid with slide closure. .: Double wall construction .: Vacuum insulated .: Clear, press on lid with slide closure .: One Size: 11oz (0. 32 l) .: Material: