1. Rich themes: There are various styles such as "Surfing Boy" and "Whale Riding Girl", which can meet the personalized decoration needs of different consumers for aquariums. 2. Appropriate size: The specifications are compact and will not obstruct the landscape inside the aquarium. The floating ball has a diameter of 3cm and a transparent control line of about 50cm, which can be flexibly adjusted in position. 3. Excellent Material: Made of PVC material, safe and environmentally friendly, lightweight, weighing 13g and 19g respectively, able to float stably in water and not easily affect aquatic organisms.