Safety- BPA Free: Silicone dehydrator sheets made from premium non stick heat-resistant(-40℃ to 220℃ / -40℉ to 428℉) food grade silicone,non-stick and reusable. The non-stick properties of silica gel ensure that food residues will not adhere to the tray. It is easy to pick up and does not break. It maintains the integrity of the food and is easy to clean. Silicone Dehydrator Sheets provide adequate airflow top and bottom,When done drying just fold in half & pour in canning jars. Used for drying herbs, vegetables, flowers, jerky or pumpkin pie pudding. This is a very fine mesh so liquid can seep through it. It's good to keep small pieces from going through, Pack of 8 pcs mesh dehydrator size 13" x 13". Fits NESCO FD-20, FD-25, FD-27, FD-30, FD-35, FD-40, FD-50, FD-60, FD-61, FD-61WHC, FD75A and FD-75PR Food Dehydrators