Valhalla 500 ml copper vacuum insulated tumber. Tumbler featuring an on trend and skid-proof cork design base. Double-walled stainless steel vacuum construction, with copper insulation, this tumbler will keep your beverage cold for 24 hours and hot for at least 8 hours. The construction also prevents condensation developing on the outside. Volume capacity is 500 ml. Presented in an Avenue gift box. Stainless steel.