Sugar Paper Navy Lined Journal

sugarpaper.com

Simple minimalist design, Dark color (navy is a dark shade, similar to frame), Traditional binding (not spiral), Lined pages, Visually consistent with a small, portable journal, Brand official store retailer

Pen+Gear Fabric Cover Journal

Walmart

Small, compact size, Dark (black/dark grey) cover color, Plain cover design, no prominent text or logos visible, Fabric cover material is plausible for the source frame's notebook, Lined pages (as per product description), General form factor and simplicity match

Paperage 2-Pack Pocket Journal Notebook

eBay - zaror2001

'Pocket' size aligns with 'small' description, Black color matches dark cover in frame, Simple design and traditional binding, Lined pages, Overall form factor is highly consistent