Exopan 25 fluted trays 10 cm. Multi-layer PTFE coated thin steel. Non-stick coating (PFOA-free) for even cooking without greasing preparations with dough only, easy unmolding. Light lubrication during the first uses will prolong the life of the coating. Oven safe for quick colouring. Cleaning in hot water with degreasing products. Fears humidity (dishwasher, refrigerator).