1. Made of food-contact safe ABS plastic, lightweight, sturdy and durable for home kitchen use. 2. Spring loaded automatic rebound structure, adjustable patty thickness, effortless one-press shaping. 3. Non-stick pressing plate, creates uniform 9.5cm round patties for easy release. 4. Comes with round non-stick silicone papers to separate frozen patties and avoid sticking. 5. Detachable parts for easy cleaning, compact storage, ideal for home cooking and barbecue.