Features: -The thermos mug is vacuum insulated to keep your hot or cold drinks fresh for a long time. -Made of 304 food-grade stainless steel, it's BPA free, not easy to rust, corrosion resistant, durable. -The round mouth design and carefully polished edges are safe and will not hurt your mouth. With a handle for easy portability. -Versatile for various settings including home, travel, office, lounge, bar, restaurant, etc. Specification: Colour: black Material: 304 stainless steel Capacity: 40oz Package Included: 1x Thermos bottle .