This is a very creative and unique fish tank feeding ring, which is made with reasonable design and can help you to feed fish food at a fixed point. It is very practical. It is made with excellent technology, simple and practical, and can effectively help the small fish in your aquarium develop the habit of eating in a fixed position to reduce waste and pollution. It is an excellent feeder. Features -Color: Blue. -Material: Plastic. -Size: About 12.00X7.50X2.00cm/4.72X2.95X0.79inch. -Mainly made of lightweight plastic materials, high buoyancy, simple and durable. -It is easy to clean, waterproof and durable, and can be soaked for a long time without being easily damaged. -It has a simple application method and can be placed in your fish tank to help you perform fixed feeding. -It can effectively place the fish food scattered around, creating a cleaner and more comfortable fish tank water environment for you. -The design is simple, safe and gentle, durable and practical, it will be your of fish tank feeding device. Package list: 3 x feeding rings