Come and see our amazing products. This enamel coffee mugs are made of iron with ceramic coating. Healthy material without any toxic substances into your drinks. This large coffee mug set is suitable for any occasion: picnics, camping, barbecue, you name it. Due to it's convenient 3.6" x 3.25" size, you can use it every day for morning coffee. After you finish, just place it in the dishwasher and you're ready to start another amazing day. Pls confirm with us about the packing info, stock color and exact production time before placing your order.