Tamper resistant design. Quick change snap frame poster system. Picture frame style with mitred corners. Features: Frame is opened using a special tool supplied Concealed fitting for wall mounting 25mm extruded aluminium frame Silver anodised finish Strong 1.5mm plastic back panel Anti-glare poster cover For indoor or outdoor use with a waterproof poster Standard sizes from A4, upto A0 Bespoke sizes available to order Tel: 0115 8712 535 or e-mail: sales@mk1displaysolutions.co.uk Poster Size: A4 (297 x 210mm) Visible size 277 x 190mm A3 (420 x 297mm) Visible size 400 x 277mm 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 820