A really high quality non stick carbon steel oven tray intelligently divided into two sections to cook two different things side by side reducing use of oven space and saving on washing up toowhats more the tray has another very useful benefit namely a silicone insert for one of its compartments this removable mat has a raised surface of tiny pyramids which allows air to circulate all around whatever youre cooking creating deliciously crispy food and letting excess fats drain away