Freestanding portable volleyball system (2 post), school model. Each post having central galvanized steel main tube, diameter 60 mm, mounted onto varnished steel base to be fixed to the ground, equipped with nylon transport wheels. Varnished steel reinforcing tube on the back side of main post. Complete with sliding system for the height regulation of the net with blocking knob. Including net tensioner device installed in one of the 2 posts and ground fixing accessories.