Mini Coffee Cup Stainless Steel Portable Water Cup Insulating Cup Fashion Gift Cup Features: To avoid Leakage, we recommend: 1. Leave some space for the of the coffee mug for thermal expansion and avoid tightly sealing containers with hot liquids. 2. Avoid vigorously shaking in case of leakage. 3.Behind brewing hot coffee, wait for 3 minutes and then close the lid to avoid from rising due to thermal expansion and high pressure. the cup can keep the beverage hot for up to 6 hours/cold for 18 hours with the sliding lid closed. Enjoy your favorite hot/cold beverage until the last drop! Tips: Test the temperature before drinking hot coffee in case of scalding. For example, open the lid and take a sip or use a straw (straw not included) You can easily hold the cup with one hand. The travel Coffee cup is made of stainless steel, which will not leave a mark when it falls. It is also easy to clean and durable. Today's cold brew coffee won't taste like yesterday's strawberry. Your family and kids could enjoy it safely. Product Description: product include 1* vacuum cup