Material:Black Mild Galvanised Steel, Galvanised Stainless Steel Springs, EPE Soft Pad, PP Professional Mats, Terylene ThreadASTM Safe Zone:Customized SizeRecommended Ages:Children and AdultsApply for:Amusement Park, Indoor Themed Park, Super Mall, Warehouse, etcJumping Mat:Made of PP import from Amercia, Color in black and bluePadding:EPE, waterproof closed-cell foam, not easy to lose shape Frame and legs Black Mild Galvanised Steel, Color Powder CoatedSprings:21.5cm length spring, 3.2mm diameter steel wire, galvanized insiede and outsideRemarks:Free designs as long as given the sizesInstallation:Professional and CAD instruction, Manual book, VideosPacking:Cotton Plastic Film,Carton, Woven BagCertificates:CE, TUV, ASTM certificatesWarranty:5 years on metal frame,  2 years on jumping mat, 1 years on springs and padding