Classic Coffee Flask.

Hot and Cold Dual Insulation Double-layer vacuum inner wall designInsulated travel mug keep the temperature to the greatest extent, and can keep hot/cold drinks for up to 6 hours. Healthy and Safe Materials High-quality stainless steel (304International food general level), durable and unbreakableBPA Free, Lead Free, suit for kids and adults.
104% Leak Proof & Multi-detail Non-Slip Design Coffee mug comes with a BPA free leak proof screw lid which can be tightly secured. Matte silicone cup body not only make the thermos mug looks elegant, but also offers a secure and comfortable way to hold. And the rubber bottom helps to prevent the coffee mug from sliding and tipping over. The size perfectly fits the car's central armrest.
Perfect Capacity & Various Uses & Easy to Clean With a large capacity of 18oz/510ml, Suitable for: ice cubes, tea, coffee, wine and juice, etc.; the adhesion on the inside of the cup wall is easy to remove.
Suitable for work, school, travel, driving and other occasions.