Form of Pyrex made of aluminum, a material that heats up and cools down quickly, which is why it is used for baking foods that do not require a long time in the oven. It is recommended, before the first use, to wash the utensil with hot water and grease the interior with oil or butter. Also, to avoid scratches on the bottom and walls of the form, it is good not to cut the mixture inside the utensil with sharp tools. It is suitable for oven use and it is recommended to wash the form by hand for proper maintenance.