“Marconi” 4 D-ringbinder boxes, with
or without slipcase, are made from
Duralong Special archival board (inner
ringbinder) and Duralong Double
archival board (outer slipcase).
Ideal to take album pages with multihole
binding edge in polyester, polypropylene
and glassine. On request it is possible to
customize the boxes covering
them with cloth of various colours.