STURDY & HEAT EVENLYJoyfair bread oven is made of heavy gauge cast iron, solid enough to resist deformation, builds to last a lifetime with sturdiness, 4mm thickness sourdough bread pan wall creates a sealed environment like an oven, has excellent sealing performance ensures rapid heating and effective heat retention, significantly enhancing your bread baking efficiency^^7 LAYERS OVERALL Inner 3-tiers food-grade black matte enamel coating layer on dutch oven will not release any harmful substance at high temperature, Thick cast iron core of bread oven for sourdough enhance the strong construction without cracks or chips, Exterior 3-tiers glossy enamel coating to keep away from rusting and make cleaning a breeze, The gradient colorway adds a touch of modern elegance to any kitchen^^DOME LID & SHALLOW PANCome with 3.25" height lid, the bread dutch oven with lid accommodates vigorous dough expansion without spills, Interior raised dots evenly redistribute steam for sealing in ingredients original flavors and juices, The shallow sourdough pan ( 2.2" H x 10" L) ensures easy bread removal without compromising its structure^^FOOD SAFETYJoyfair baking sheets are made of premium stainless steel without any toxic coating, Wouldn't release chemical substances at high-temperature, Provide you healthy bakewares, Great replacement for aluminum and non-stick coating pans, Rust free and healthy for your daily use^^STURDY SHEETS Made of heavy gauge stainless steel to reduce the risk of defor