The material we use for trampolines are first-grade to ensure the best quality.Trampoline jumping mat imported from USA,Trampolines tubes are double galvanized for inside and outside. foam safety pad are EPE,Closed-cell foam covered with PVC fabric which will not absorb water,midew or lose shap.trampoline springs are super high-strength chrome plated.all our elements for the trampolines are anti-crack,anti-fade,anti-toxic,anti-UV resistance. -
