1. The coffee mug is double insulated. The double wall insulation design ensures that the drink stays cold// hot for a period of time. Let you enjoy your hot or cold drinks. 2. Clear plastic sliding lid with rubber gasket for good sealing. It slides open easily while avoiding splashing. When the mug is not in use, closing the sliding lid will keep it clean. There is a drinking hole at the top. 3. Made of food grade stainless steel, the coffee mug liner will not produce any taste or rust and hand washing is recommended. The coffee mug body has a sturdy structure and can be used for a long time. 4. Light weight and easy to carry, with a frosted outer layer feel, this sweat-free design makes the coffee mug easy to grip and gently into your hand. The coffee mug handle is long and wide, suitable for your fingers to grip. 5. A variety of colors are available for free choice. The coffee mug is suitable for home, travel, office, break room, bar, restaurant and many other occasions. It is also a suitable gift for Father's Day, Mother's Day, birthday and Christmas. Colors: red, orange, blue, greenMaterial: stainless steel+PPSize: 12 * 11 * 8.5cmWeight: 220gCapacity: 400ml