Shell + [20 inner pages/40 card slots]

Shell + [40 inner pages/80 card slots]

Shell + [60 inner pages/120 card slots]

Shell + [20 inner pages] + 2 baffles

Shell + [40 inner pages] + 2 baffles

Shell + [60 inner pages] + 2 baffles

One book with separate cover [excluding inner pages]

20 separate inner pages [excluding outer cover]

2 separate baffles [excluding inner pages and outer shell]