Big Trampoline Features: 1) TUV-GS, EN-71, EN913, ASTM, AS4989 certificates 2) USA jump mat 3)Max user's weight:180kg Big Trampoline Features: 1) TUV-GS, EN-71, EN913, ASTM, AS4989 certificates 2) USA jump mat 3)Max user's weight:180kgBig Trampoline Features:1) Size: 6ft, 8ft, 10ft, 12ft, 13ft, 14ft, 15ft, 16ft 2) The frame tube made by galvanized steel (double galvanized for inside and outside); ...