Style: Pink fish tank decor, Imitative rainbow sea urchin ball. Included Components: 1 small aquarium decor, 1 aquarium imitative rainbow sea urchin ball. Betta Fish Tank Decorations Set : Includes 1 small aquarium decor (4.1oz, 4.33″ D 2.83″ H; resin base size : 2.75″ D) and 1 aquarium imitative rainbow sea urchin ball (1.13oz, 1.65″ D 2.75″ H).