These mugs are handmade on the pottery wheel from high fired stoneware clay and finished with a beautiful glaze combo that is food safe. Each one holds approximately 18 ounces. Mugs are all white on the inside. Listing price is for one mug. Approx. dimensions: 5" h x 3.5 w All pieces are made in my studio and wheel thrown. Each piece will have unique characteristics such as size and color due to the handmade process. All glazes are non-toxic and food safe. They are microwave, dishwasher and oven safe. (please avoid thermal shock)