Small Fish Feeder is made of acrylic material, sturdy and durable. It is the excellent fish feeder and beautiful decoration for fish tank or aquarium. Also, it is safe to water, fish and other living things. Your fish will figure it out after they are used to the feeder, and will occasionally swim up to assemble there. Features -Color:Transparent -Material:Acrylic -Size:8.00X7.00X7.00cm/3.14X2.75X2.75in(L) -Size:7.00X7.00X6.00cm/2.75X2.75X2.36in(S) - Can be placed in the water or the suction cup can be attached to the wall of the fish tank. - Delicate, smooth and bright, it perfectly into your tank to add to the beauty of the landscape. - Simple in structure, which offers you convenient installation. It can be used in most fish tanks of sizes. - Selected of good and sturdy acrylic material, which is not easy to deform or break. - With this feeding ring, it will bring much convenience to your life, a nice helper for you. Package list: 5 Feeding Ring(L) 5 Feeding Ring(S)