Tumbleweed Pottery Professional Smartass Coffee Mug. Large green glaze ceramic with cream drip glaze near the top. Holds 20 fl oz Approx Dimensions: 4.5"H x 3.75" Diameter (at the top) x 4" Diameter (at the bottom) Glaze and color may vary as each piece is handcrafted. Paint imperfections could occur, see pictures. Lead free, food, microwave, and dishwasher safe. New without tags mug, no cracks or chips.