Made from Food Grade Wood Pulp: The food grade wood pulp ensures the safety of your food without imparting unwanted flavors. BPA free. Round Size of 23 cm x 23 cm x 4.5 cm: Designed to fit perfectly in standard air fryers, these trays are ideal for a variety of dishes. Pack of 50 Units: With a generous pack of 50 trays, you have enough for several preparations without worrying about running out. It is waterproof, non-stick, and heat resistant up to 230ºC. 100% healthy. Does not curl, burn, release odors, or impart flavor to the food. Keeps the drum clean, preventing dirt buildup. Once the preparation is finished, simply dispose of the tray and clean the fryer with a sponge or damp cloth. The trays are also suitable for microwave, oven, or silicone containers.