1000D 0.55mm 18OZ PVC vinyl tarpaulin, water proofand flame retardant material, the flame retardant conforms to BS7837 (current British Standard). And our safe standard conforms to CE certificate and EN 14960
use 12ply strong thread to double stitching for inflatable games such as jumpingcastle , slide, obstacle, etc. and even 4 line stitching with protective webbing for some parts to reinforce it.