Woodgrain tumbler, holds approximately 8-10 ounces. Wheel thrown porcelain and stoneware hand carved in a woodgrain texture. Birch: interior glazed in glossy white. Oak: interior glazed in a mossy green. Approximate dimensions: 4 inches tall by 3.5 inches wide. Dishwasher and microwave safe. Tumblers are completely handmade and have slight variations from the ones depicted in the product photo.