The 12″ deep pan non-slip pizza covers keep air out whilst dough is being proven to give you a superior quality pizza. To prevent stacks of pizza pans from falling over when in transit, the lid features a slight recess, locking stacked pans together safely. Made from 1.2mm thick aluminium, the lids are easy to clean so can be interchanged between different styles of pizzas. Product features Dimensions 12″(L). Material Aluminium. Made from 1.2mm aluminium. For use when dough is being proven in the pizza pan. Help to keep air from getting to the dough, assisting it to rise. Covers fit over the rim of the pan, and also have a recess ensuring that the pan being stacked on top does not slide off when moved or carried.