Never tried to take a drink while you are in a moving car? This is quite a feat achieved without spilling a drop anyway, much less shady than the risk of drinking water due to leaks and ill-fitting screw cap, but it might be a thing of the past with bottles Autoseal Contigo a range of 100% leakproof travel Cups, water bottles and cups for children. What makes Contigo Autoseal cylinder so special? Well, they are BPA free, and use Autoseal s patented push “system to cover the SIP, which flows automatically between the seals, make Contigos spilled 100% leak proof and 100% for 'test'. Press for a sip of your favorite drink, you simply press to drink then give them to the bottle once the cap back on. Depending on the type of container, it will retail around £ 16.99 to £ 24.99.