This Thor Insulated Bottle with Straw Lid features durable, double-wall stainless steel vacuum construction with copper insulation, allowing your beverage to stay cold for up to 48 hours and hot for at least 12 hours.  Designed with a stainless steel screw-on, spill-resistant lid with an integrated straw and durable stainless steel hand loop. The bottle has a durable powder coating and wide opening for comfortable filling and pouring. Fits most standard car cup holders.