Features: Premium material: Composed of 304 stainless steel and ABS, BPA-free and durable. It\'s easy to clean. Crashworthy and anti-scalding: The ABS shell is crashworthy and anti-scalding. You will not be scalded by boiling water. Portable500ml capacity: You can take it with you anywhere you go. 500ml coffee intake is healthy for you. Too much is worse. No pushed down: The silicone at the bottom makes this cup stay stable when being pushed. This cup can only be picked up vertically. No longer worry about coffee spilling on your clothes. Environment-friendly: Take it with you when you go to the coffee bar. Stop using those disposable cups and live green.