Easy-assemble sentry box house �Packaging Details:Seaworthy export standard.Delivery Detail:20-45 days after receiving your down paymentPARTSDETAILSSTRUCTURElight steel structure,Website:http://www.steel-houses.net,C steel,U steel,Galvanized steel with high strengthExpansion bolt forGalvanized boltsROOFCorrugated color plate tilesWaterproof roll forSTAIRWAYLight steel constructionOSB board for prefab villaWALLWall filler,Glass fiberMetal engraved insulation board for prefabricatedRespirable paperGypsum boardFLOORDamp-proof courseFiber cement board for villaWooden floorDOORSteel security door for prefab villaWINDOWAluminum Window with double glass for villaWATER