Stay hydrated...even on the go! The Alfi isoBottle is always at the perfect drinking temperature. The top therm, twin-walled vacuum insulated stainless steel body will keep liquids hot or cold. The thermos has a spout system with valve for uninterrupted drinking and a pop-up cap with stopper. It is leak proof through the use of high-quality silicone and impact resistant and shockproof. Bring your isoBottle hiking, to the beach, or to a little league game - this Alfi bottle will travel anywhere. The isoBottle accessories are fun for personalizing your thermos!