Safety Resin ：fish tank decor is made of safe and durable resin, the material is non-toxic, non-polluting. This floating diver decoration can be used in freshwater or saltwater aquariums. | Good Quality ：the fish tank diver decor is very durable, hand coloring, no fading, not deform, suitable for suitable for landscaping and decoration in underwater world . | Adjustable Position ：Each aquarium ornament contains 1 floating balls and 1 fishing lines. The floating ball can be opened, If you think the diver is floating too high, you can add water appropriately. you can also control the height of the aquarium diver decorations by controlling the length of the rope. | Funny Aquarium Accessories ：his diver kit is suitable for numerous fish tank landscape, either natural style or with funny animated characters, The diver floats with the water, which can help you observe the direction of the water flow in the tank, and the change of the diver's position can also remind you of the water level, which is the nice floating aquarium decorations for small or large fish tanks | Vivid and Lively ：Diver floating in the water has a cute and vivid shape (exploration models and camera record models), which can make the underwater world you create more realistic. It is also a toy for the fish