Come and see our amazing products. The insulated and cold-preserved coffee cups and tea mugs are made of stainless steel. Its capacity is 14oz. The cup is vacuum double insulated. Gray transparent plastic sliding cover, with rubber gasket, good airtightness. It can slide open easily while avoiding splashing water. When the mug is not in use, close the sliding cover to keep it clean. There is a drinking hole on the top. Very suitable for travel or office use. In addition, we welcome customized logos, please contact us. Pls confirm with us about the packing info, stock color and exact production time before placing your order.