... Bring you different & wonderfull life ! Diameter: 6ft., 8ft., 10ft., 12ft., 14ft., 15ft., 16ft.Springs:Material of springs: Hot galvanized steel.Number ... + B cardboardNumber of layers: 5Color of carton: browntrampolineround trampolinemini trampoline 8ft,12ft,13ft,14ft,15ft 16ft Standard Trampoline without Safety Net (TUV/GS,CE,LGA)