Only JumpSport, Inc. Offers Patented Safety Innovations• Patented Triple-fail-safe™ design is engineered to provide "back up" support systems to hold the net in place a very important combination of safety features not offered by JumpKing or Hedstrom.Patented Top Strap prevents net collapse, 3 to 8 times stronger than JumpKing and Hedstrom bungee connections that easily collapse and can rip out during an impact. Patented Overlapping Entry: There's nothing to open or close, just slip through the overlap and you're in! Patent pending vinyl sleeves prevent pole foam from disintegrating in the sunAll JumpSport Safety Enclosures are manufactured with our patented safety technology, so the competition can't match our results. JumpSport's Founder and the inventor of the trampoline safety enclosure, Mark Publicover (the father of three active kids) and the rest of the JumpSport team engineered our enclosures with an advanced safety system that has already been awarded multiple US patents. Impact testing has proved that our enclosures provide unmatched strength and flexibility. A very important feature that separates us from the competition is that JumpSport Safety Enclosures are the only systems sold that incorporate a fail-safe or back-up design. Unlike the competition, our safety nets have 2 or 3 net support elements, any one of which is strong enough to safely catch a 200 lb. person.