... seller. 2. best quality 3. reasonable price Aluminum A-Board Material: aluminumColor:silver and other colors are available. ... This A-board is an ideal advertising display stand.Easy-to-open snap frame includes the anti- ... reflex cover in all standard A-boards.Frame size can be A1,A2,B1,50*70cm, ... 56*71cm,70*100cm,and so on.Snap frame with 25mm profile, round corner and mitred corner ...