Each 16 oz Marble tea infuser mug is unique in it's appearance. The mug is made from high quality new bone china. Each piece is hand dipped in a marble glaze . The intensity of the marble look will vary by piece. The artisan process produces a beautiful and unique mug. Each mug contains our exclusive Tilt & Drip tea infuser. The extra fine mesh stainless steel infuser allows even water flow and has plenty of room for tea leaves to expand and brew. Each infuser has a v-shaped clip that allows you to rest the infuser on the side of the cup. No hands are needed and the tea will drain in minutes. The lid doubles as an infuser holder. The mug is available in blue marble, green marble and black marble finishes. The product is sold in a colored gift box. The tea infuser mug is BPA free and dishwasher safe. The mug is microwave safe. The stainless steel tea infuser is not microwave safe