[Material] 304 stainless steel [Accessories] Straw*1, Lid*1, Cup*1 [Product Features] Premium Quality: Made of premium 304 stainless steel, this premium and healthy drinking water. Durable: The cup features a tight, leak-proof seal and comes with a straw for added convenience. Portable: The airtight design prevents spills and makes it easy to carry, making it ideal for outdoor activities such as camping, driving, and the beach. Convenient and Practical: Beautiful and practical, with strong flexibility, easy to clean, easy to use, and convenient to take out. [Suitable Scenarios] Suitable for car use, travel, fitness, outdoor activities, cafes, offices, and home use. [Washing Instructions] Easy to clean and can be reused multiple times. Upon receipt, please rinse the cup with boiling water before use to remove any dust or other debris generated during the production process. [Special Notes] Due to different measurement methods, the size of this cup may vary by 1-2 cm. This is normal. Due to the friction between the cups during the production process, minor scratches are inevitable, which is a normal phenomenon and will not be included in the scope of after- processing.