500ML The bottle keeps your drink hot or cold for up to 12 hours. Comes with a touch screen and a strainer for your drink Temperature Maintenance: With double-layer insulation. The stainless steel water bottle has a double insulating wall that optimally maintains hot and cold temperatures. LCD Display: Large smart screen to display temperature. It is easy to read the internal temperature of the liquid by touching the screen. 304 Stainless Steel: Thermal bottle made of 304 stainless steel with food-grade polypropylene material. Durable, corrosion-resistant, safe, and healthy. Of course, it meets the US FDA consumption standard and is 100% BPA-free. Waterproof Lid (The lid can be rinsed, but do not soak it in water.)