[Plastic Material] Fish feeding ring is made of environmental protection plastic material, non polluting, good buoyancy. [Circle Feeding] Aquarium feeder ring can be used to surround the feeding to prevent the water from impacting the food and scatter. [Strong Firm] Aquarium floating ring has a strong suction cup, which fixes the position and adjusts the position according to the water level. [Stop Food Spreading] Fish floating food feeder puts food in a circle to prevent food from spreading and keep water surface in the tank . [For Fish] This floating fish feeding ring can put fish food in one place, fish do not need to catch food everywhere.