Feature:100% Brand NewMaterial: aluminum alloyColor: as picturePackage: 1pcSize: 52cm: Fold 30cm, spread 52cm, with an error of approximately 2cm73cm: Fold 41cm, unfold 73cm, with an error of roughly 2cmConversion: 1inch=2.54cm, 1cm=0.393inchesWarm Tip : Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there can be some slight variations within the color tone of the website's picture and the particular item.Item Measure by hand, it may be 1cm different,your kind realizing can be a lot appreciated.