The Maia 2-in-1 Copper Vacuum Insulated Tumbler Kit 24oz is the perfect item for a flexible lifestyle. Kit includes two types of lids, a screw-on straw lid and a screw-on flip closure lid. Durable, double-wall stainless steel vacuum construction with copper insulation, allows your beverage to stay cold for up to 24 hours and hot for at least 8 hours. The construction also prevents condensation on the outside of the tumbler. On-trend, durable powder coating. FSC certified premium gift box is included. 24oz. Note: Drinking hot beverages with the straw is not recommended. Remove lid to allow beverage to cool.