1) The frame tube made by galvanized steel 2) Jumping mat: PP mesh/made in USA, UV-resistant 3) Pad: PVC (500D/500D) cloth 4) Foam of pad: EPE, closed-cell foam that will not absorb water, mildew or lose shape 5) Tubes: double galvanized for inside and outside 6) Springs: super high-strength galvanized 7) All sizes above are approved by TUV-GS, EN-71, EN913, ASTM, AS4989 certificate
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