outdoor a board water base a board aluminum frame spring ,steel size can be availableoutdoor a boardmaterial:aluminum frame ,steel ,water basesize:A1/A2/B1/B2packing:1pc/ctnA board/post stand /a board stand/outdoor stand /banner stand/doutdoor a boardscope:It has the variety use for promotion in supermarket,special stores,bank,school and so on.feature:1.aluminum frame2.single/double side 3.easy to install ,no need tools4.any size ,any colours can available5.light weight ,protable to carry6.easy ...>>more