singlw,two,four,six,eight and ten beds trampoline are our special,items.we have about 10years experience.the quality is good. product name: bungee trampolinequality reference:1.Jumping mat: Made in the USA2.Foam pad: EPE,closed-cell foam that will not absorb water,mildew or lose shape 3.Pad: PVC(500D,500D) fabric4.Tubes: galvanized inside and outside5.Springs: super high-srength galvanuzed6. ...