outdoor product inflatable towable item size:diameter 52inches item material:pvc+nylon pvc thickness:0.5mm nylon:420D outdoor product,towable item sizediameter 52 inchespvc thickness0.5mmnylon420DcertificationBSCI,WCA,ETI,GSV,ICTIcustomersWal-mart,DG,Carrefour,Targetuseshallow waterOEM orders are welcome!!!