--- Durable aluminium frames(52 x 30mm, silver anodised finish) and vandal resistant glazing panels(1.5mm polycarbonate) --- Back panel suitable for displaying posters with magnetic pins (included), dry-wipe pens and vinyl application --- Suitable for internal and external use, landscape or portrait --- Door stays fitted as standard on all models --- All models supplied complete with set of keys 4x A4 Dimensions: W585mm x H759mm x D32mm 6x A4 Dimensions: W585mm x H1076mm x D32mm 9x A4 Dimensions: W815mm x H1076mm x D32mm 12x A4 Dimensions: W1045mm x H1076mm x D32mm.