The JOOLA WM net and post set is the official net set of the US Open and US Nationals! Approved for top-level competitions by the International Table Tennis Federation (ITTF), this net comes with solid metal posts, a sturdy net made of double woven cotton-stell thread, and a zippered storage case. THe WM net also features height and tension adjustment options and is the same net also used in the European Championships and Asian Games.