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 transparent plastic sliding lid with a rubber gasket, which is well tightness. Closing the sliding lid keeps clean when do not use the mug. There is drinking hole on the top.
Mug is lightweight and easy to carry, gently fits into your hand. coffee mug handle is long and wide, it is fit your fingers to grasp.
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.