Not only will your drink stay icy cold for up to 18 hours but you'll also have a free hand because of its simple one handed operation. The Contigo 20 oz. Ashland Chill Autospout Stainless Steel Water Bottle is the perfect for anyone who enjoys a nice cool drink. Drinks stay icy cold up to 18 hours with Thermalock Vacuum InsulationEasy one-handed drinking at the press of a buttonKeep your eyes on the task at hand with the convenient pop up straw on the Autospout lidProtective spout cover keeps out dirt and germsFits in most cup holders and single serve brewersLeak-proof lid (when closed) for on-the-go convenienceTop rack dishwasher safe lidHandwash bodyBPA free