THREE PACK SET - Large and medium roasting, and small baking tray set - an essential set if cooking different portions of food regularly, and useful to keep to hand when family and friends come round! DIMENSION - Small (28 x 22 x 4cm); Medium (33 x 26 x 4cm); Large (38 x 30 x 4.5cm). NON-STICK - These baking trays are finished with a non-stick coating which means it's easy to clean once you're done baking or cooking. Remember not to use any abrasive or metal scourers as these can damage the coating. OVEN SAFE TEMPERATURES - This pack of oven trays are suitable for use up to 230C / 450F / Gas Mark 8. DISHWASHER SAFE - These oven baking trays are dishwasher safe; allowing you to make the job of cleaning much easier and pain-free.