Feature:100% Brand NewMaterial: aluminum alloyColor: as picturePackage: 1pcSize: 52cm: Fold 30cm, unfold 52cm, with an error of approximately 2cm73cm: Fold 41cm, spread 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 differences in the color tone of the website's photo and the particular item.Item Measure via hand, it could be 1cm different,your sort understanding will be much appreciated.