The Trek 20 oz. 18/8 double wall stainless steel bottle has a sporty look and a beautiful power-coated finish. It has a steel-colored screw-top lid with a black silicone lid-tether strap that doubles as a carry handle. Take the Trek bottle on your next hike, run or camping excursion. It’s easy to travel with and fits in most car cup holders. This bottle evenly distributes the temperature of your hot or cold drink as it has copper lining and is vacuum sealed. It maintains a comfortable exterior temperature so that you can hold your bottle while it keeps your cold drinks cold for 24 hours and your hot drinks hot for 12 hours. The Trek bottle is FDA compliant and BPA free.