Dinner plate measures 10 inches, Salad plate measures 8 inches, Bowl measures 5.9 inches across - holds 18 oz; Mug holds 17 oz; Made of ceramic stoneware with reactive glaze finish; Subtle ridged texture joins a contemporary look with rustic style; Chip resistant; Dishwasher/microwave safe; Elegant and sturdy design is made for long lasting beauty and convenience; Reactive glaze is a broad term for the unique finishes resulting from a non-formulaic firing in the kiln. This means it cannot be predicted how the finish will end up looking. Therefore, no two pieces of reactive glaze dinnerware are identical!