1)Hot sell in USA,Japan,and Europe 2)High quality and good price 3)Material:polypropylene PP DescriptionA) glass rack dolly Hold and transport for glass racks Dollis trap water from wet racks,convenient to drain and makes emptying water easy Steel casters with non-marking rubber wheels,quiet,steady and non rustB) PP floor rack system Interlock system,easy and simple for assembly Perfect to raise ...