Body Building Equipment,6-16ft trampoline Body Building Equipment,TUV,CE Body Building Equipment,carton packing Body Building EquipmentFeatures: 2010 Year new desin with professional safety system1) Size: ... fastening door, but hard to open itself7) Easy to assemble and no tools requiredtrampoline includes: 6ft., 8ft., 10ft., 12ft., 13ft., 14ft ...