Built from heavy-duty robust 1.0mm thick carbon steel with a super durable non-stick coating, these non-stick roasters are perfect for all your cooking and baking needs. This range is designed with beautifully rolled edges to provide extra strength and making each piece rust resistant; these products resist warping or rusting. These roaster have a ten year quality guarantee meaning you can trust these products are designed to last a lifetime. This set is fridge freezer and dishwasher safe and is safe for use with metal utensils.