Pop it in your pocket, clip it on a bag, fit in a lunch box, the tiny size sits easily in the palm of your hand. The Micro Hydro boasts Hydro Flask’s iconic insulation, leakproof technology and lifetime warranty. Cute, useful and destined for beloved status. 20 hours cold, 7 hours hot. Ramen on the go? Hot water's in tow. Bring the wine, it fits a glass perfectly. Cold sips to wet your whistle. Double-wall vacuum insulation Leakproof when closed Won't retain odor or leftover flavor Durable stainless steel Dishwasher safe Not for use on a stove, in a microwave or freezer