Leak-Proof Coffee Mug: The BPA-free screw cap works with the silicone seal to prevent water leaks. It keeps your drinks safe and comes with a splash-proof hinged lid for comfortable drinking. Twist to open quickly and easy to clean. Hot and cold storage: The coffee mug can maintain maximum temperature and store hot and cold beverages for up to 6 hours. Pour hot or iced coffee into a coffee mug for an all-day energy boost.Practical and practical: the thermos cup is large, and it is convenient to add water to clean. The small opening at the top of the lid can be opened 180. Not only is it convenient to drink, but it can also prevent the thermal mug from overflowing and spilling too much. (Dishwasher not recommended) Double-layer stainless steel coffee mug: The travel mug is made of high-quality 304 stainless steel, which is safe and durable, keeping drinks odor-free. The new and improved non-slip silicone cup cover has a delicate feel, non-slip and heat insulation. And there is a non-slip silicone pad at the bottom of the cup to avoid scratches or slips on the surface. Multiple uses: 510ml thermos cup capacity, beautiful shape and good use feeling, you can enjoy coffee, tea, wine, juice well. Suitable for indoor and outdoor use, such as home, party, travel and office.