The Sumind 15 Pieces Artificial Aquarium Fishes Plastic Fish Realistic Artificial Moving Floating Orange Goldfish Fake Fish Ornament Decorations for Aquarium Fish Tank is a great way to add some life to your fish tank. These realistic looking fish are made of plastic, which means they are durable and easy to clean. They also have a center of gravity design, so they will stay upright even if the tank is tilted. The package includes 15 pieces, each measuring 4 x 3 cm/1.6 x 1.2 inches.