This 4" loose base tin is made of commercial weight 1mm steel, making it durable and heavy-duty. Its double non-stick coating make it effortless to release your baked goods from the pan without damaging it, forming part of the MasterClass award-winning bakeware collection that guarantees many years of satisfied cooking and baking. Dishwasher Safe, Fridge/Freezer Safe, Oven Safe. Measurements (approx.): 4" x 2.5" deep. Bake perfect pies, sponges, fruit cakes and desserts using this Non-Stick Baking Pan from masterclass. Featuring a double Quantum II non-stick coating which is silicone based and therefore PFOA and PTFE free. Most products are designed with rolled edges and sandblasted bases for extra durability and stability. Cook with confidence, Master Class bakeware offers the ultimate in cooking performance and versatility backed by a KitchenCraft 20 Year Guarantee. EXCEPTIONAL NON STICK: with 2 layers of Quantum II non stick, this deep cake tin releases food easily and cleans in seconds. ROBUST: the cake pan is made of 1 mm-thick, warp-resistant carbon steel, which is oven safe to 220C (428F). LOOSE BOTTOM: the pop-up base ensures neat results, so it's ideal for baking impressive top tiers, or mini fruit or sponge cakes. USEFUL INFO: MasterClass's deep cake pans are 100% BPA, PTFE and PFOA free; dishwasher safe; diameter: 10 cm (4 inches).