The 17 oz. Perka Brixton Stainless Steel Water Bottle has a double wall vacuum insulated construction with 18/8 steel inner wall that will keep your drink cold for 24 hours and hot for 12 hours. The versatile outer lid comes with a silicone strap carry handle and can also be used as a 6 oz. drinking cup to enjoy your favorite drink. The inner screw-top lid has a pouring channel allowing the user to loosen the lid for pouring instead of removing it, helping to extend the bottle's temperature retention. The Brixton has a modern and sleek design and fits in most car cup holders. FDA compliant and BPA free.