- Hot & Cold Thermos - Bestlsy thermos tumbler can keep heat and cold for up to 11 hours to 2 days in summer, and 6 to 12 hours in winter, both cold and hot, the thermos glass keeps drinks hot and cold satisfactorily warm.
- Simple And Modern Design - The thermos has a simple and generous design, with the thick top and thin bottom, allowing you to hold and place it in the car, and the wide mouth cup is easy to clean.