Enamel Mug Starters Kit Turquoise Mug - 2 piece  Cobalt Mug - 2 piece  Yellow Mug - 2 piece  Pink Mug - 2 piece Total 8 mugs Material: Enamel Dimensions: ⌀3 7/8" x 3 1/8" h  12oz.   - 100% food safe - 100% recyclable, natural raw materials with non-toxic paints - Each product is handcrafted by artisans - Can be used outdoors in picnics, on the beach, at the camp or anywhere you’d like - Enameled iron is incredibly strong, but the porcelain topcoat will chip if handled too roughly or dropped onto hard surfaces — revealing the metal frame underneath. When this happens the steel below naturally oxidizes and the enamelware remains safe to use.