This fish tank decoration is made of safe resin material with adjustable buoyancy. Its funny and cute cartoon design makes it a beautiful addition to your aquarium. Easy to clean and lively, it adds personality to your fish tank. Size: Diver: 7 x 3cm, Plastic Ball Diameter: 3cm, Rope Length: 40cm. Weight: 20g. Features: 1.Safety Resin MaterialThe diver decoration is made of environmentally friendly resin, the edges are very flat and smooth, and it is absolutely safe for freshwater aquariums. 2.Adjustable BuoyancyUse the float to let the diver dive without sinking to the bottom. The diver's floating speed can be adjusted by adding different amounts of water to the float. 3.Cartoon DesignFunny and cute cartoon shape, go with the play and chase with the fish in the fish tank. The floating fish tank decorations make your tank special and charming, adding a beautiful addition to your aquarium. 4.Easy to CleanWhen cleaning the tank, just wipe and rinse off the decorations with warm water. Never use soap as residual soap particles can harm your fish. 5.Funny Fish Tank AccessoriesThe fish tank decoration is colorful, lively and interesting, and it is well ventilated, which is sure to add personality to the fish tank. Specification: Material: Plastic, Resin Color: Multicolor Product Size: Diver: 7 x 3cm, Plastic Ball Diameter: 3cm, Rope Length: 40cm Product Weight: 20g Package Included: 1 x Floating Fish Tank Decoration