The perfect choice for the home baker, this 12 Cup Muffin Tin is made from high grade 1mm steel with rigid rolled edges for strength and durability. All surfaces feature a double layer non-stick as well as being dishwasher safe and covered under the Stellar lifetime guarantee with the non-stick coating covered for 5 years. Product sleeves also feature a James Martin recipe to get you started! High grade steel construction Double layer non-stick coating, Guaranteed for 5 Years Lifetime Stellar Guarantee for everything else Dishwasher safe