Features: 1. The perfect solutions for feeding: bullies can't monopolize all the food feeder rings, so everyone gets a chance to eat in peace. It even allows the owner to feed different foods to finicky fish. If one ring is filled with food the fish will dash right over there, leaving the other ring open to drops specialty food in for those picky eaters. 2. No longer worry: Feed the fish no longer need to turn off the skimmer pumps,Put food in the circle, the fish the fish will eat in own plate, fish Don't need to chases food everywhere, Improve feeding efficiency, Reduce fish food waste. 3. Applicable scope: Suitable for all flaky, granular, various shape, with Floating fish food, for fish, turtle, gold fish, cichlid, guppies, catfish, betta, such. 4. Reasonable design: Suction cup suspension, Rotating device, Floating design, When the water level rises or falls, otating rod Repositioning with the water level, buoyant sponge is embedded in the bottom, Fish feeding ring Always keep floating above the water. 5. Keep your aquarium clean: the fish feeding rings keep the food in a certain area,it doesn't end up scattered all overs, or pulled into the filter, which allows more of it to be eaten. That does wonders to reduce waste and maintain water quality. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: PP Shape: round / square Weight: round 8g, square 13g Color: blue/black Size: Round: 5.5x7.5x0.9cm, Square: 8x10x0.9cm includes: 1x Fish Feeding Ring