Feeding Ring for goldfish is fantastic at on excess food, This floating fish feeder ring hold the fish foods in one place, avoid a messy environment Help to maintain the clean water quality, maintaining high-quality water and reducing filter clogging, fishes don't need to chase food everywhere, improve feeding efficiency Carefully materials, Floating design, longer lasting adsorption force suction cup, When the water level rises or falls, otating rod Repositioning with the water level, Fish feeding ring Always keep floating above the water. Not recommend for sinking food. This black fish feeding ring is suitable for feeding floating fish food, including flaky, granular, various shapes, for fish, turtle, gold fish, cichlid, guppies, catfish, , aquatic pets such. Colour: Black Material: plastic Package Contents: 4 x Feeding Ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.