With the pop of a button, the chug spout opens for convenient on-the-go one-handed drinking. The fast-flow wide spout is perfect for chugging when you need to hydrate in a hurry. When you’re finished drinking, simply click the lid back into place to fully close and to protect against leaks, dirt and grime. Whether you’re working up a sweat or working at your desk, you need a water bottle that’s going to stay cold no matter what. The double wall vacuum insulation will keep drinks cold for up to 24 hours. The contigo autopop water bottle is leak-proof and has a button lock to prevent accidental spilling. This 100% bpa-free water bottle also has a convenient carry handle for easy transport and a protective lid cover to keep out dirt and grime. Powered by autopop technology that provides on-the-go leak-proof confidence in the closed position. keeps beverages cold for up to 24 hours with thermalock vacuum insulation.