1、PREMIUM MATERIAL: Little diver aquarium decorations are made of premium resin and ABS, which will not produce harmful substances, will not harm the aquarium environment, and will not fade easily. 2、Fine Workmanship: Little diver fish tank decorations have no burr edges to worry about being scratched. Suitable for both fresh and salt water. 3、Decorative Function: Little diver aquarium decorations are suitable for all kinds of aquarium landscapes, whether natural or with funny animated characters. 4、Adjustable Line Length: The diving position of the little diver floating fish tank decoration can be adjusted according to the length of the fishing line. The floating ball can be opened. 5、Water Flow Observation: The floating fish tank decorations float with the water and help you see where the water flows in the tank.