... as a net for safe & clean.b.Saving the heat and the energy.c.Non-toxic, harmless, anti-aging,anti-corrosion ... , anti-UV, anti-sliding, anti-water, resistant to bacteria and fungus,durable.d.Protecting the things from damage when hittinge ... to the swimming pool surface,keeping clean and reducing the time of cleaning;3. Preventing accidents and keep out the unwanted visitors;4 ...