1.a board,A shape design,very stable 2.size:A1 3.aluminium frame 4.color:silver or black 5.single side or double side

1:simple configuration,easily to install2:classic aluminium A board3:with snap frames on both sides for easy change of posters4:for outdoor or indoor advertisement

5.cheaper and popular

1)tool free snap-in frame provides for quick graphic changes 2)single sided,easy design 3)packed in plastic foam and carton