[Premium Pure Titanium]Crafted from 99.89% pure titanium, this water bottle offers exceptional durability and purity for your beverages. [Excellent Temperature Retention]Keeps your drinks hot or cold for ≥10 hours, perfect for all-day hydration. [Thoughtful Design]Features a rounded rim for comfortable sipping, a leak-proof silicone seal, and a titanium lid that doubles as a small tea cup. [Stylish Cup Sleeve]Comes with cup sleeve for easy transport and added insulation. [Unique Aesthetic]High-temperature physical coloring creates a distinctive ice flower texture, making each tumbler one-of-a-kind. [Versatile Use]Ideal for sports, business, home, car, office, outdoor activities, travel, and gifting. Specifications: Capacity: 550ml Material: 99.89% pure titanium Hot-keeping time: ≥10 hours Dimensions: Height 20.3cm * Bottom 7.8cm Notes: For first-time use, rinse the cup before pouring boiling water into it. Let it sit for 5 minutes, then discard the water before use.  Cleaning Instructions: 1. For daily cleaning, wipe the inside and outside of the cup with a soft cotton cloth dampened with dish soap, then rinse thoroughly with clean water and dry. 2. For stubborn stains, soak the cup in warm water with baking soda for 2 hours or longer (the soaking time will vary depending on the severity of the stain), then rinse thoroughly with a cotton cloth dampened with dish soap.  Before drinking, please check the temperature of the beverage to avoid burns from hot drinks. Keep out of reach of children to prevent burns from hot drinks. Keep away from fire and high temperatures to avoid burns and product deformation. Do not use in a microwave or other appliance to heat the cup. Do not use while driving to avoid burns from hot drinks. When using a car cup holder, please ensure the holder is strong before use. Do not overfill the cup to avoid spills. Do not use steel wool, metal brushes, or other items to clean the cup. Do not use in a dishwasher or boil in water. Do not tip, drop, bump, or subject the cup to strong impact to avoid damage or loss of heat or cold insulation performance. Do not store the cup in the refrigerator. This product is intended for keeping drinks hot or cold. Do not use it for other purposes.