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,skl3-8 2,the back panel includes3mm thickness man-made composite panel,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.4 Stand poster & Snap Frame:A3&A4 snap frame board, adjustable & electronic plate pole;suitable to hotel,restaurant,bank, post office,etc.