Geo insulated tumbler. The Geo tumbler has a double wall vacuum construction with copper insulation which means it keeps drinks hot for 8 hours and cold for 24 hours. The construction prevents condensation on the outside of the tumbler. Easy sipping, push on lid with slide closure. Wide opening for comfortable filling and pouring. Volume capacity is 350 ml. Presented in an Avenue gift box. Stainless steel. Compliances: Safe for food contact, Cadmium tested. Ref: UTPF226