This durable tumbler is ideal for travel, fitting in most cup holders. The lid is leak proof with an easy flip open seal design. The tumbler is stainless steel double wall vacuum construction with copper insulation which means it will keep drinks hot for 8 hours and cold for 24 hours. The construction also prevents condensation on the outside of the tumbler. Volume capacity is 500 ml. Presented in an Avenue gift box. Stainless steel. Compliances: Safe for food contact, Cadmium tested. Ref: UTPF238