thicken kraft paper loose spiral notebook a4 retro notebook cover journal book a6 business shell customization service

the a6 case has no inner core and six holes. the a5 case has no inner core and six holes. a4 cover without inner core, 4 holes. b5 cover, no inner core, 9 holes. a6 single casing, no accessories. a5 single shell without accessories a4 single shell, no accessories. b5 single-shell case, no accessories. a6 cover, no inner core, 6 holes, rounded corners. a5 shell without inner core 6-hole rounded corner a4 cover without inner core, 4-hole rounded corners. b5 shell without inner core 9-hole rounded corner a6 single-shell case, no accessories, rounded corners. a5 single-shell case, no accessories, rounded corners. a4 single-shell case, no accessories, rounded corners. b5 single-shell case, no accessories, rounded corners.

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