Oval tubing makes set up easier and eliminates possibility of the center frame twisting; Elastic bottom band makes set-up easier and helps maintain net tension; End poles now extend to 64 inches in height for regulation height badminton play, in addition to multiple tennis drills and exercises; The only Quick Start net that adjusts in height from 30" - 64" for a variety of activities and lead-up games; for tennis, badminton, and beginner volleyball (with foam or beach balls); Adjustable height nets help beginners learn to hit with arc and spin; Detailed instructions make assembly straightforward; Sets up or breaks down in only 2 minutes; No tools required for set up; No bases to fill with sand or water; No bungee connections that can break