This 33cm Square Crisper Oven Baking Tray is Perfect for Heating / Reheating, dry and Frozen foods, where maximum even cooking is required and everyday oven and baking use, these trays are sturdy and substantial. The Teflon Select Non Stick is ideal for frequent use. Great for Chips,Pizza, Pre-Breaded, Battered, & Coated Foods this tray will never be idle. Oven Safe to 230C/445F/Gas Mark 8, Dishwasher Safe, Fridge and Freezer Safe. Internal Size - 32cm x 32cm x 2cm / 12.5 Inch x 12.5 Inch x 0.75 Inch, External Size - 33cm x 33cm x 2cm / 13 Inch x 13 Inch x 0.75 Inch. British Made by Lets Cook Cookware.