This heavy duty giant 16 foot octagonal Nova cantilever has a winding handle system that is easy to use and telescopic mechanism that opens and closes easily above furniture. The strong 2" x 1" reinforced canopy arms are connected to a 4" mast with six internal channels for extra strength. The canopy is water repellent and made of marine grade fabric. This cantilever is the definition of a heavy duty commercial umbrella. When buying for your business, buy a product that lasts.