a6 inner frame 14.8*10.5 a5 inner frame 21cm * 14.8 a4 inner frame 21*29.7cm a3 inner frame 42*29.7cm a2 inner frame 59.4 * 42cm 4 open inner frame 8 open inner frame inner frame 35 * 25cm inner frame 25 * 25cm

black glossy silver shiny surface golden frosted surface silver frosted surface golden bright surface black frosted surface yellow glossy green glossy red bright surface red frosted surface yellow frosted surface blue frosted surface green frosted surface