7 hours cold, 7 hours hot 7 HOURS HOT. 7 HOURS COLD: The insulated mini water bottle keeps drinks hot for or cold for 7 hours thanks to double-wall vacuum insulation. Hydro Flask water bottles feature TempShield insulation, keeping contents chilled, or hot, the entire day. MULTI-USE: The mini size of the Micro Hydro tiny bottle fits anywhere and delivers everything you need and nothing you don't. Ramen on the go? Hot water's in tow. Bring the wine, it fits a glass perfectly. Cold sips to wet your whistle. LEAKPROOF: Say goodbye to leaky reusable water bottles. The mini cap on the Micro Hydro is leakproof when closed. Toss it into your bag or use it as a travel water bottle without worry. Sip effortlessly thanks to the little bottle size. Rest easy knowing your drink stays securely sealed all day. PURE TASTE: Durable pro-grade stainless steel water bottle ensures pure taste and no leftover flavor transfer. So, today's water won't have any taste of yesterday's tea. BPA - Free DISHWASHER SAFE: Easy to use and easy to clean, just unscrew the cap, and toss everything into the dishwasher. Designed to keep bright color, being dishwasher safe means your favorite Hydro Flask is always at-the-ready. Dishwasher safe Not for use on a stove, in a microwave or freezer Ages 3+