A. Made of stainless steel, it is durable, reduces the generation of odors, and helps keep drinks odor-free. B. The silicone cup body gives the mug an elegant look and provides a stylish and comfortable way to hold. Additionally, the rubber bottom helps prevent the coffee cup from sliding and tipping over. The bottom diameter of the cup is 70 mm, designed for in-vehicle use. C. The screw-on lid is paired with a silicone sealing ring to reduce leakage. It can maintain the temperature of drinks, and there is a splash-proof flip-top for convenient drinking. You just need to open the small hole. The lid has an inner-square and outer-round design for relatively easy opening. It can be opened by rotation, facilitating water filling and cleaning. D. The double-layer vacuum-sealed design allows this reusable coffee cup to maintain the temperature of drinks for around 6 hours. E. Capacity: 500 ml F. Color: Black G. Material: Stainless steel H. Dimensions: 178x90 mm I. Package contents: 1 mug J. Only the above package contents are included, and other items are not. K. Note: Light and different displays may cause slight differences between the color of the item in the picture and the actual one. A measurement error of plus or minus 1 - 3 cm is acceptable.