Durable, double-wall stainless steel vacuum insulated construction, which allows your beverage to stay cold for up to 15 hours. The construction also prevents condensation on the outside of the bottle. It is crafted from 91% recycled stainless steel liner and the standard stainless-steel outer. On-trend, durable matte coating. Screw-on, spill resistant lid with integrated easy drinking flip-straw and comfort soft-touch hand loop. Wide opening for comfortable filling and pouring. Perfect for ice cubes. Fits most standard car cup holders. Note: “This product can hold hot beverages, but drinking hot beverages with the straw is not recommended." Remove lid to allow beverage to cool. Hand wash only 20oz.