our products are well in quality,we can provide all kinds of trampolines,we can provide the further service outdoor trampolinetrampolineround trampolineWe can supply various high quality trampolines,Diameter: 8ft., 10ft., 12ft., 13ft. 14ft.Springs:Material of springs: steelNumber of springs: 48pcs, 64pcs, 72pcs, 80pcs, 88pcsDiameter of wire for springs: 3.2mmNumber of spring stitches: 30N/41N/ ...