EASY REMOVAL: a flat lip keeps the tin stored vertically and acts as a handle too, so it's easy to grab from high shelves and hot ovens. PREMIUM PERFORMANCE: made of durable carbon steel with a non stick finish, it delivers even heat distribution and quick food release. DIMENSIONS: this stacking 12 hole muffin tray measures 37 x 29 x 4cm (14 x 11 x 1 inches); holes are 7 x 4cm (2 x 1 inches). USEFUL INFO: MasterClass's stacking baking tins are dishwasher safe, and PFOA, PTFE and BPA free; 20 year guarantee (5 year non stick).