Ovenware made from different materials. It can be made of fire resistant glass. The food in this dish does not stick, because you can watch through glass as the water has boiled away, was a fairly thick sauce, etc. Glassware long retains heat and does not allow any foreign tastes and odors, does not enter into chemical reaction with the impending food. Fireproof glass tableware is considered the most secure, because its production does not use any ingredients that could cause harm to human health. You can cook and serve it immediately on the table in this ovenware. Glass is very durable material. The glass looks gourmet. The ready meals at the same time will be different - in fact you will see not only the upper part of the dish, but all the layers, like a look inside. Ovenware from iron can be shared with coating and without it. Ovenware uncovered tends to rust if left wet, but it has a natural non-stick properties. Iron is durable and heat material. Some manufacturers use cast iron cookware roasting uncovered in oil at high temperatures, which allows creating an additional protective layer for improved non-stick iron. Iron ovenware is one of the most durable kinds of kitchen utensils, which can be used indefinitely. Ovenware is enamel and nonstick. Enamel prevents rust bowl, but for the most part lost the natural non-stick cookware. Dishes with cleaved enamel recommended immediately discontinue use since around the site of first cleavage on the enamel to break away and get into food and dishes in this place begin to rust. Coating based on PTFE protects rust and multiplies the non-stick properties. Less of this coverage is the relative fragility. Ovenware made of stainless steel, along with utensils made of aluminum and iron are most popular. It is strong and durable material. Such dishes look gourmet. The advantages of aluminum cookware are in good thermal conductivity, ease of use. This cookware is suitable for non-stick coatings. We can watch a huge number of non-stick coatings on a modern dishes. Coverage varies by the number of layers, thickness and resistance to mechanical damage. Coverage depends on the material too.