1. Airfryer accessories for hot air fryer NINJA DOUBLE STACK SL400UK: Specially designed for the Ninja Double Stack Air Fryer XL 9.5L SL400UK. As the hot air in the Ninja Double Stack SL400UK air fryer comes from behind, the silicone insert features perforations both front and rear to improve airflow and ensure even baking. 2. PERFECT SIZE: The silicone air fryer liner has a bottom dimensions of 7.87 ' (L) x 5.5 ' (W) x 3.15 ' (H) and fits perfectly into the Ninja Double Stack XL 9.5L Air Fryer SL400UK. Designed to optimize cooking space, it allows you to cook more food at the same time. 3. Premium material and heat resistance: The silicone air fryer liners for the Ninja stacking air fryer are made of food grade silicone. They are odourless, nontoxic, nonstick and highly heatresistant, up to 230℃/450°F. Compared with disposable paper liners for air fryers, the silicone liners are reusable, washable and resistant to high temperatures. And they don't catch fire like disposable paper liners. A must have accessory for the Ninja Double Stack Air Fryer. 4. Keep air fryer clean and easy to clean: The air fryer liners prevent the basket from becoming greasy and leave no residue. Keeps the sides and bottom of the air fryer virtually flawless. Our rectangular silicone insert for air fryers is soft and flexible. Inverting and cleaning with a brush as well as warm water and detergent makes it easier to remove grease and residue. It is also dishwasher .