According to instacart.com: Cook With Color green reusable silicone liners are carefully designed for 360-degree air circulation. This is a great item to help reduce waste and is dishwasher safe. This silicone air fryer liner is made with 100% food grade silicone which is nontoxic BPA-free and heat resistant withstanding temperatures up to 450 degrees. Cook With Color air fryer liners will work with most round and square air fryers between 5QT and 8QT. This liner measures 7-inch diameter and 2 inches tall. This green Air fryer liner is flexible and nonstick no more cleaning the air fryer basket.