The only 18-foot net that works for 36-Foot Court tennis height and regulation Badminton height. * The only 18-foot net with a built in training system. The Top Band creates an Airzone to help players develop spin and arc. * The vertical net poles are telescopic for quick and easy use. * The only net with a patented built in scorekeeper for drilling and competition. Easy for young children to use! An extra set of 4 score markers is included with the package. * The bungee connected middle section is protected with a patented design using a plastic tube. Bungee will not fray and break!