The microwave ring cover is usually made of durable plastic or similar material, with small wheels or rollers attached. These wheels allow the glass turntable to rotate smoothly, ensuring even cooking and heating of food. The design is simple yet effective, because it distributes the weight of the turntable and the food placed on it, preventing wobbling and potential spills. The ring cover’s functionality is integral to the microwave’s operation, since it aids in the even distribution of microwave energy, which is essential for cooking food thoroughly