... 2.High quality alumium-alloy 3.Best balance ,stand firmly Roller Up stand: Features:1.Firm. durable and steady.2.Concise ... .3.Carbonized or aluminum alloy material, both strong and flexible, full of modernization tinge, need no more other tools.4.It ... Banner ,Flagpole,Poster Stand,Tent,Umbrella etc. Convenient and Pratical Roller Up Display