16 oz mug with an artisan look and organic feel. Made from stoneware. Each mug includes an ultra-fine mesh stainless steel tea infuser. The lid doubles as an infuser holder. The stainless-steel- infuser has our tilt and drip feature. The mug, lid and stainless-steel tea infuser are dishwasher and microwave safe. Do not put the stainless-steel infuser in the microwave.