This Tumbler is double walled and vacuum insulated to keep your drink hot or cold for hours. The cup is outfitted with an ergonomic handle, that is aesthetically designed for comfort. It comes with a straw lid and straws so you can enjoy your favorite beverage on the go. The Trek is made from 18/8 stainless steel and fits standard cupholders, and with a variety of color options, you can get an Emotional Support Water Bottle for whatever outfit or activity the day entails -- Take Us With You.