Upper Bounce 13' Trampoline Net attaches with Sleeves for 6 Straight Pole Enclosures - Fits Bravo/Airzone/Variflex (Net Only) "Sleeves on Poles" Net connects to trampoline by covering the poles with sleeves which gives you more area space to jump and enjoy! Creates a fun jumping experience without limiting visibility Special sleeves from top quality oxford material to ensure maximum safety