Come and see our amazing products. The coffee mug is vacuum double insulated. The double-walled insulation design ensures beverage can stay either hot or cold over time. Let you enjoy hot or cold drinks. There is drinking hole on the top. The coffee mug is made of food-grade 18/8 stainless steel, liner of coffee mug will not produce any taste and will not rust, hand wash is recommended. The structure of the coffee mug body is sturdy, could be used for a long period of time. 12oz mug is lightweight and easy to carry,the handle is long and wide, comfortable and easy to hold. Pls confirm further with us if any query about packing info, inventory status and time schedule.