... frame, remove the clear PETG cover sheet, insert your poster or photos, replace the cover sheet, and snap back the sides ... out your posterThere are 2 styles...mitre cut square cornered, or round cornered, and the sizes are A0, A1, A2, A3 ... standing floor stands..these can be set up in either a portrait or landscape format, and are ideal for "Greeting " boards, menus ...