NameVasia New Simple professional indoor jumping trampoline ModelVS1-190228-88-49.Size (L*W*H)customized Plastic parts: LLDPE imported from Korea, high temperature resistance,can last for over 5-7 years Iron parts:48mm galvanized pipes,thickness:1.5 mm.MaterialsJoint:unti-rust,durable material PVC :durable use,water close.Sponge:2.5cm thickness cover. EVA Mat:60x60x2m,Enverimential Friday, Premium & high quality,unti-mulid,unti-crack,unti-smelly,anti-lose shape.InstallationProfessional CAD instruction for each design,Procedure guide step by step.Delivery time12-15 days after your order conformation and depositMinimum order quantity1 SETcapability:65-75 kids can play in one time.Usage:Resisdential area,amusement park,shopping mall,public places etc.Certification:ASTM test proof,SGS standard