Clever Design - Enjoy a full bakeware collection without compromising on space, all pieces stack neatly inside the roasting tin. Durable Materials - They are made of heavy-gauge carbon steel, with a durable, double-layer non stick for easy release and cleaning. Ergonomic Design - All pieces have rolled edges for added strength and extended lips for easy handling. Guaranteed Quality - Dishwasher safe, with 20 years guarantee. Gift Boxed. MasterClass Smart Space Seven-Piece Stacking Non-Stick Baking & Roasting Set in Black