Features: 1.Capacities to meet different needs 2. Easy to carry, making the product appearance more concise and comfortable 3. Wide mouth design, round and delicate, easy to clean 4. Anti slip cup bottom, with a concave convex structure that is not easy to collapse 5. Internal 304 stainless steel and external 201 stainless steel, insulation and cold locking 6. Take a big gulp and drink the refreshing taste in one fell swoop, with a perfect sense of palatability Specification: Capacity: About 400ml/550ml Color: Black, gold, blue, pink, silver Size: 20.5x7/25.5x7cm Material: Inner/Outer:SUS304 + 201 stainless steel Cup lid material: PP Note: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow 0.5-1cm errors due to manual measurement. Thank you for your understand! Notice： Please note that adding hot water above 60 degrees Celsius may cause the pressure inside the cup to be too high, and hot air or water may spray out the moment the lid is opened. Please use it safely.