“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.