... . Using area: It can be used to post tape, CD, camera lens, film, certificate, IC card, mini-type ... usable size item#Inner size(mm)Outer size(mm)AM CD165x165+50185x165+50AM DVD180x250+50200x250+50AM A4230x325+50250x325+50AM ... usable sizeitem#Inner size(inch)Outer size(mm)AM CD16"x6.5"6.79"x6.5"+1. ... ! Application: It can be used to post tape,CD,camera lens,film,certificate,IC card,mini-ytpe machine ...