... alumium-alloy 3.Best balance ,stand firmly Roller Up stand: Features:1.Firm. durable and steady.2.Concise appearance , elegant frame, ... specification is available.It is applicable to the tour exhibition and commercial promotion1.)Business Display EquipmentMetal Display Shelf,Plastic Shelf,Plastic ... Pop Hanger Banner ,Flagpole,Poster Stand,Tent,Umbrella etc. Convenient and Pratical Roller Up Display