Features: Excellent Material: The inner part of the bottle is made of 304 stainless steel, which is durable, wear-resistant, safe to use, and simple to clean. Large Capacity: The vacuum cup has a large capacity and is convenient to contain various drinks, like Milk, coffee, tea, oatmeal, hot etc. Wide Applications: This cup can be used to drink water every day in the office or classroom. Additionally, you can bring it with you when you travel outdoors or go camping. Heat Preservation: Heat preservation material is added to the middle layer of the cup, effectively extending the heat preservation time up to five hours. The insulation cup is resistant to - 20 to 100 . After-Sales Service: With customer satisfaction as our first priority, we offer a satisfaction service for all of our merchandise. If you have any problems, please contact us in time. We will give you replies as soon as possible. Specification: Material: Stainless steel Color: Dark Blue, Crimson, Green, Pink, Orange Size: 12.8*8.8cm Capacity: 500ML Notes: Please allow slight tolerances in size due to manual measurement, and lighting in photography may result in a difference in color than in real. 1*Water Cup