• Keeps drinks up to 24 hours cold and up to 12 hours hot, without adding to the taste • Hands-free grip, thanks to the patented silicone flap that attaches your Thermos Bottle to your backpack, bag, bike or suitcase • Secure closure for no leaks • Silicone base for better grip on any surface • NFC tag that connects your Thermos Bottle to the Closca Water App to find water sources around the world • Without BPA • Capacity 450 ml • 2-year warranty