... built up according to cunstomer needs.Fabric:1)Double PVC—coated polyester,630-950g/sqm.2)UV protection, Flame retardant, Waterproof ... damagede(cement floor, tarmac floor),it can use the expansion screw to fix, without any fee, (the fee is contain in ... ), it must use the loading system. tents 10mx4m with pvc coated cover cloth