Material:Ceramic coffee mug made of porcelain, Smooth surface and modern style. This lid is not completely airtight, its function is to prevent dust and keep warm. Easy to clean:The smooth and non-porous glaze is easy to clean and won't leave stains and odors.Microwave safe, oven safe,dishwasher safe. Occasion:Great for home decor, housewarming Christmas gift, and are good for cafes restaurants, hotels Size: Diameter: 8.2cm, Height: 15cm; Capacity: 450 ml;Spoon long:16cm Package:Each mugs is carefully packaged and we strive to ensure that the mugs you receive are in perfect condition; If not, please let us know and we will help you immediately