The specifics of the products: 1)Aluminum one button 2)Folding walker with wheels 3)CE,ISO,TUV,FDA,CE certification 4)OEM The specifics of the products:Aluminum one buttonFolding walker with wheelsheigh: 78-96cmload:100kgNw: 2.9kg,GW:14kg/4pcs walker walking aid ZX 710 L-5