... , 64pcs, 72pcs, 80pcs, 88pcs,100pcsDiameter of wire for springs: 3.2mmNumber of spring stitches: 30N/41N/ ... frame tube made by galvanized steel(double galvanized for inside and outside)(3).The frame is ... PVC cloth,which is wear-proof UV-Resistance for all-weather during the year if setting outside.(7).Max ... user's weight is 180KGS.(8).All trampolines approved by TUV&GS certification. Rebounder ...