Food-grade Silicone Material---Perfect crafted from food grade silicone material, BPA free, safety and heat-resistant. Can withstand 450F heat. They will keep your food intact and will not affect the taste of food. Reusable & Eco-friendly---The air fryer liners are reusable and designed to keep food from sticking to the air fryer basket. Compared with disposable parchment paper, our reusable air fryer liners are more environmentally friendly and Cost-Effective. Unique Exhaust Hole Design---Designed with Enough holes to ensure optimal airflow around food for equal heat distribution and to prevent burning. Beside, multiple holes will help to speed up the steam circulation in air fryers or steamers to speed up the cooking time. Easy to Clean---Made of high quality silicone, the food will not stick on the mats. So you can easily wash the silicone pad with water or put it in the dishwasher. Round and square design can meet different shapes of air fryers. Wide Application---The size of the round air fryer liner is 23.3 x 23.3 cm, size of the square is 21.6 x 21.6 cm, suitable for most 5.8QT air fryers. You can also use them as a baking pans liner, cake pans liner, food steamer liner, silicone trivet, or silicone baking mat in a pressure cooker or crock pot.