Mermaid bakeware is made from hard anodised aluminium making it a totally unique product. Hard anodising is an electrochemical process that changes the surface structure of the product. The molecules are forced closer together, to create a more durable baking surface. The result being a material that is now twice as hard as stainless steel, with a superb, even heat distribution. Guaranteed to last a lifetime. Enjoy a delicious slice of chocolate brownie or flapjack with Mermaids versatile Brownie Tin. Ideal for creating a popular tray bake or granola breakfast bar, this popular brownie tin has a sturdy construction & an ideal depth, not too deep & not too shallow. MADE IN UK.