Feeding fish seems simple, right? Not always! One fish may others from the food. Strong water currents may suck food before the fish get to it. Shy fish may not want to dine with the others in their tank, or finicky eaters may only eat one type of food. Using a fish feeding ring or square can solve all those problems in . Put foods into the circle, it will prevent food from floating around. Feature - Color: Black. - Material: Plastic. - Package Size: Approx. 15x15x5. - It can help fish develop a habit of eating in a fixed place and reduce the probability of waste of feed and water pollution. - Unique design of connecting rod, feeding ring can be suspended with the change of water level. - Well made of for durable and practical use. - More intuitive observation feeding situation, avoid feeding too much water pollution. - Applicable to all slow sinking floating feed, effectively encircle the feed, prevent floating. Package list: 2 x feeding circle