The AlleyOop Sports® line of trampolines combines superior quality throughout with the most advanced safety engineering to create the world’s best backyard trampoline systems. All of our AlleyOop Trampoline Systems come with our strongest safety enclosure, employing our Triple-Fail-Safe™ backup system. DoubleBounce design offers significant safety and performance advantages over any single-bed trampoline. Like our VariableBounce™ trampoline, our DoubleBounce™ System is designed specifically to help reduce the risk of injury on the mat of the trampoline, where most injuries occur. Our DoubleBounce design offers significant safety and performance advantages over any single-bed trampoline. This top-of-the-line system is, quite simply, the world's most advanced safety-engineered trampoline. Features: The Most Advanced