Only the essentials. Fresh from Hydro Flask Japan, the Micro Hydro delivers 6.7oz (198mL) of hot and cold in a mini Hydro Flask. Just the essentials with a nod to minimalistic style. 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 iconic status. 7 hours cold, 7 hours hot. Double-wall vacuum insulation Leakproof when closed Won't retain odor or leftover flavour Durable stainless steel Dishwasher safe BPA-Free Not for use on a stove, in a microwave or freezer Keep hot liquids out of the reach of children Size & Dimensions Product Diameter 5.7cm Product Height 16.8cm Product Weight 149.6g