Widely compatible: fits Ninja hot air fryers with larger cooking spaces, including AF300EU, AF400EU, AF451EU, SL400EU, and similar models. Waffle mould dimensions: length 21 cm, width 14.5 cm, height 2.75 cm. Heat resistant and durable: made from food-safe silicone, BPA-free and odourless. Temperature range: -40°C to 230°C. The hot air in the fryer circulates around the mould for even baking. Easy to demould: non-stick coating and flexible silicone allow waffles to release easily. Apply a thin layer of oil before baking for smoother release. Two small handles help remove the mould from the air fryer. Easy to clean: after use, rinse with warm water or place in the dishwasher. Smooth surface resists residue, making cleaning simple. Air dry and reuse. Use scenarios: quickly bake waffles for weekday breakfasts in a large Ninja air fryer; prepare waffles in batches for weekend brunch or gatherings; ideal for batch prep of kid-friendly waffles with toppings.