Quick change snap frame poster system. Strong aluminium and steel construction. Easy fold away mechanism for night time storage. Features: Silver Anodised finish 32mm extruded aluminium frame Snap open quick change poster system Steel back panel Anti reflective front covers Locking leg stays Vinyl graphics can be added to the back panels or covers Poster Size: A2 (594 x 420mm) visible size - 574 x 400mm A1 (840 x 594mm) visible size - 820 x 574mm A0 (1188 x 840mm) visible size - 1168 x 820mm 30" x 20" (762 x 508mm) visible size - 742 x 488mm 40" x 30" (1016 x 762mm) visible size - 996 x 742mm