... -in top support bar for easy set Roll up Model 19 is double-sided electric, its material is aluminum, its side cover ... it mainly has three parts: body, profile and pole. This roll up banner, also known as a retractable banner stand, is ... for shops, hotels, auto dealers, schools and supermarkets, etc NameElectronic roll up model 19Item NO. JCB1-7DMaterial AluminumColor Silver & BlackN.W ...