The oven baking tray made with high quality non-stick carbon steel and polytetrafluoroethylene non-stick coating free of PFOA and provides 2 layers of durable no-stick protection. Includes 4 different sizes of baking sheets to meet your needs. External MEASURES: Large: 34 * 24cm - Depth: 6cm - Medium: 32 * 22cm - Depth: 5.5cm - Small: 30 * 20cm - Depth: 5cm. One flower baking tin: 16*6.5cm.