1. This coffee cup is made of high-quality 18/8 stainless steel (SUS304), which is BPA-free, oxidation-resistant, corrosion-resistant, cold and hot storage, and suitable for carbonation, coffee, fruit tea, milk, etc. It can easily satisfy your desire to drink hot/cold drinks, and it is applicable all year round.2. Built-in silicone rubber ring+screw cap, double layer, leak-proof design, not afraid to wet the backpack/keyboard when playing, suitable for vehicles, offices, schools, daily newspapers, etc.3. With a lifting rope, you can travel in a backpack or suitcase. 400 ml, compact and portable. The stripes of the fuselage are well designed, with good grip and not easy to slide. The bottom of the cup is non-slip and wear-resistant.4. The lid of the cup is provided with a direct sticker, and the typing lid can be opened with a convenient button for drinking. Wide mouth design, convenient for pouring drinks into the cup and cleaning. Colorful coffee cups add color to daily life.5.Suitable for a variety of scenes: car, office, school, family, picnic, short trip, travel and so on. It is also an ideal choice for gifts, such as birthday gifts, commemorative gifts, graduation gifts, school opening gifts and so on.