270ml/9 oz Portable design, easy to carry, travel outside the whole process does not take up space. Vacuum Insulated Coffee Mug: Coffee mug is with double wall vacuum insulation technology. Sweat proof, no condensation, burn free. Multi functional lid:Our coffee thermos is a brand new screw lid design with a leak-proof seal that doesn't leak,so you can keep it in your backpack without worrying about any liquid spills. The lid can be used as a small cup to keep you hydrated. Multi-occasion use:Our insulated water bottle is perfect for everyday use,such as hiking,biking,camping,traveling,school or business etc.It can also be used as a birthday gift,Christmas gift,Valentine's Day gift and everything else!This insulated coffee mug is the perfect gift for any place. It is our responsibility to protect the earth.Our hot water flask is not only environmentally friendly materials,but also bring you a healthy lifestyle.If you like our coffee bottle,we will be grateful.