Alu-line stand: straightforward, convenient, single side&double side available，easy to chang images, suitable for commerce promotion,exhibitionetc.1,ouritemnumberisSKL3-1,skl3-2,skl3-3,skl3-4,skl3-5,skl3-6,skl3-7,skl3-82, the back panel includes3mm thickness man-made composite pane,3mm thickness aluminum-plastic panel(outdoor),3mm thickness PVCpanel;3,we can supply you alu-line stand with A0,A1,A2,700*1000MM,OTHER customized size available. 4Stand poster & Snap Frame：A3&A4 snap frame board, adjustable & electronic plate pole; suitable to hotel, restaurant, bank, post office, etc.