The Simple Modern Trek Signature Tumbler is double walled and vacuum insulated to keep your drink hot or cold for hours, and it's ceramic lining also helps to preserve your drink's flavor. The cup is outfitted with an easy-to-grip, ergonomic handle, that is aesthetically designed and provides elevated comfort. It also comes with a push-to-lock lid with silicone straw, so simply pull the straw piece upwards to drink freely, or push the straw piece downwards to lock into place. This leak-proof lid feature allows you to take your beverage on the go without the need to worry about spills. The straw lid is four-way threaded to allow four different straw placements for your drinking hand preference. 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.