MEDIA BINDER

摘要

A case assembly of a media binder, comprising: a front surface board and a back surface board, wherein each surface board comprises an inwardly facing surface and an outwardly facing surface; and at least one cover sheet, wherein each cover sheet is wrapped around the outwardly facing surface of at least one surface board, comprises at least one marginal edge attached to the inwardly facing surface of the surface board, and comprises at least one marginal edge unattached to the inwardly facing surface of the surface board, wherein an end of the unattached marginal edge comprises an extra edge extended from the unattached marginal edge, the extra edge is folded against the unattached marginal edge and the unattached marginal edge is attached to the inwardly facing surface of an adjacent surface board to form a corner wrap around a corner of the adjacent surface board.