GR1-0303 The Stanley Matte Grey Rock Pink H2.0 Quencher Flowstate 40oz Tumbler is a three-piece stainless steel tumbler set that features a solid gray color with a drink-through lid. It is designed to keep beverages hot for up to 8 hours and cold for up to 12 hours. The tumbler includes a straw for added convenience and is machine washable for easy cleaning. With a lifetime manufacturer warranty, this limited edition model is perfect for both teens and adults who enjoy on-the-go beverages.