Quantity: 2 rooms, 1 round ring + 1 square ring. Square: 10 * 10 * 1cm. Round: 7.5cm in diameter. Material: Made of high quality, non-toxic, safe and durable plastic material. Special Design: To keep food in suspension and prevent food from entering the filter. Prevent clogging from the filter. Advantage: Controls food dispersion to reduce waste and keep clean water. Application: The fish feeder is suitable for flawing and other floating food. Put the food in the circle, it will prevent food from floating. (no use to flow from food). Product Description: Product Name: Fish Charger Quantity: 2 shape: square + round blue color Size: Square: 10 * 10 * 1cm. Round: 7.5cm in diameter. Features: 1. Made from a non-toxic material: Safe, non-toxic, ecological and totally harmless for your fish. 2.The fish feeder is suitable for the supply of flake foods and other floating foods. Place food in the circle, this will prevent foods from floating, prevent the filter clogging. 3.Perfait for aquarium