Fish Feeding Ring Safe Floating Food Feeder Circle With Suction Cup for Aquarium Tank , Easy To Install Features: 1. The suction cup is fixed in position and will not float around; 2. The connecting rod is uniquely designed, and the feeding ring can be suspended with the change of water level; 3. Applicable to all slow-sinking and floating feeds, effectively trapping the feed and preventing random floating; 4. Observe the feeding situation more intuitively and avoid overfeeding and polluting the water quality; 5. It helps the fish to develop a fixed position eating habit and reduce the waste of feed and the probability of water pollution. Product Style: round, square Size: Round: 7.5cm in diameter Square: 10*10cm Color: blue, black Material: plastic Package content: 1pc fish food feeding circle