Ideally sized for daily use, the Thor Copper Vacuum Insulated Tumbler 22oz chills cold beverages for 24 hours and keeps coffee, tea, or cocoa hot for up to six (6) hours. Its durable, double-wall stainless steel vacuum construction features copper insulation and has a condensation-resistant exterior. For added convenience, this tumbler includes an Eastman Tritan reusable straw and fits most standard car cup holders.