Valhalla 500 ml copper vacuum insulated mug. With the on-trend, cork featured handle design, your next promotion will be sure to stand out. Durable, double-wall stainless steel vacuum construction with copper insulation, which allows your beverage to stay cold for 24 hours and hot for at least 8 hours. The construction also prevents condensation on the outside of the piece. Volume capacity is 500 ml. Presented in an Avenue gift box. Stainless steel.