1. [Non-Toxic Material] The tumbler with lid and straw is safe. It features a smooth rim and is made from food-grade 304 (18/8) stainless steel, utilizing advanced double-wall vacuum technology. It has no chemical odor, is BPA-free, and eco-friendly. The lid is also crafted from food-grade 304 (18/8) stainless steel. 2. [Large Capacity] 750ml capacity to meet your daily needs. It's perfect for all hot and cold beverages for daily use, suitable for cars, offices, travel, or any outdoor activity. 3. [Special Design] The stainless silver appearance is simple, elegant, and durable. The special design of the straw and lid allows for two different ways of use. 4. [Extra Straw and Brush] The metal cup with a lid and a stainless steel straw makes it easy for you to drink. The leak-proof lid allows you to store drinking water conveniently without spills, ensuring safety. Please note that there is a straw hole on the lid, which needs to be inserted into the steel straw. If the cup is completely upside down, the liquid may leak. 5. [Easy to Clean] The mug opening is wide, and the bottom is narrow, making it easy to clean. Hand washing is recommended for the straw and cup. Please note that the travel cup is not suitable for dishwashers.