Model big air bounce 10ft trampoline with safety enclosure introducing the big air bounce new for 2015 the big air bounce series is our 3rd generation of big air trampolines working directly with the manufacturer we have been able to make positive refinements on these trampolines including better and stronger trampoline joints a more efficient spring system and heavy duty enclosures specifications diameter 10ft 305m frame height 80cm springs 60 standard big air springs frame 1