VACUUM INSULATED COFFEE MUG: The coffee mug is double vacuum insulated. The double-wall insulation design ensures that the drink stays either hot or cold for a long time. Let you enjoy hot or cold drinks. COFFEE MUGS WITH SLIDING LID: The gray transparent plastic sliding lid with a rubber seal that is good tight. It wipes easily to open and protects against splashes. Closing the sliding lid keeps the mug clean when not in use. There drinking hole at the top. STAINLESS STEEL COFFEE MUG: The coffee mug is made of food-grade 18/8 stainless steel, the lining of the coffee mug does not produce flavor and will not rust, hand washing is recommended. The structure of the coffee mug body is sturdy and can be used for a long period. 12oz mug is lightweight and easy to carry, the surface is matte powder coated, this sweat-free design makes the coffee mug easy to grip, fits yours smoothly Hand. The handle of the coffee mug is long and wide, which is easy to grip with your fingers. Coffee mug is suitable for home, travel, office, lounge, bar, restaurant and many other occasions. It is also a perfect gift for Father's Day, Mother's Day, Birthday and Christmas Size: 10.9 x 8.8 x 8.8 cm