Features:1. Made from high quality plastic material, which is non-toxic, sturdy and durable. 2. Suitable for feeding flake foods and other floating foods.3. Put foods into the circle, it will food from floating around. (no use for sinking food). 4. It has sightseeing value especially when the fishes are snatching the food scene appear. 5. Helpful to make the fish form the habit of eating food in the fixed position. Specification:Condition:100% Brand NewMaterial: plasticColor: As Pictures ShownType: Square, Round(Optional)Round Inner Diameter: approx.5.5cm/2.2inSquare Inner Diameter: approx.8cm/3.2in Package list: 1 * Fish Feeding Ring