Thrown stoneware mug with matte black glaze on the inside and outside checkers. The checker pattern is stamped in, so the mug has a fun texture as well as pattern. Recessed areas are unglazed. Unglazed areas are a speckled brown clay. The black is a satin matte finish (soft to the touch) and has undertones of green. It can have a variable finish but looks generally like the listing photos. Size guide: While some variation can be expected with handmade items, the sizes generally are: 8oz mug is 3 inches tall, 3 inch diameter. 12oz mug is 3.5 inches tall, 3 inch diameter. 16oz mug is 4.5 inches tall 3.5 inch diameter. Care Instruction : Dishwasher and microwave safe