SS Aluminium 4 sided snap frame A1 Green. This Stewart Superior Snap Frame is designed for A1 format posters. It features a durable aluminium frame powder coated in green, a 400-micron anti-glare PVC front sheet to protect your poster, and a tough styrene back panel. The frame has an easy open 'snap opening' front for quick poster changes and includes screws and raw plugs for secure wall mounting. Frame dimensions are 650mm (width) x 900mm (height).