Made from food-grade premium pulp paper with embedded silicone. Fits 5.3 and 5.8qt air fryer baskets and 10-inch bamboo steamers perfectly. Diameter - 9 inches. Package comes with 100 pieces of non-stick parchment sheets with 6mm diameter holes that won’t interfere with the air fryers' airflow. It's resistant to heat for up to 450F so no need to worry about it getting burned easily. Note - Do not place the liners in the basket during preheating.