Description: 【450ml Capacity】: The Portable cup has 450ml capacity, which will meet your needs for travel, outdoor use, office, car and home. There are two ways to drink coffee: open top cover type and direct drinking type without opening the cover. 【High Quality】: The travel coffee tumbler is made of 316 stainless steel seamless liner and silicone sealing rings, is durable, no leakage at any angle. 【Keeps Hot and Cold for 6 Hours】: The insulated coffee tumbler is suitable for hot or cold drinks, milk, soup, cola, tea, water, coffee, and latte, etc. 【Temperature Display】: The smart water bottle has a LED temperature display, touch to display temperature. 【Protable Design】: Coffee Mug Cup with portable convenient carrying lanyard for easy to carry. Specification: Material: 316 Stainless Steel Capacity: 450ml Size Chart: 8cmx17cm/3.15inchx6.69inch Package Includes: 1 travel coffee cup Note: When too high temperature boiling water is put into the cup, high steam pressure will be generated. Please do not flip open the button switch at this time to avoid splashing. If you want to open the cover, please first rotate and unscrew the cover to release the pressure. When not in use, please fasten the lock to avoid burns caused by popup cover.