A month ago I asked about smaller spacing and I finally got my hands on the A5 and B5 MUJI notebooks with 6mm spacing! : r/notebooks
Spiral Bound Notebook A6/A5/B5/A4 — A Lot Mall
Notebook & Paper Sizes — Kinokuniya USA
A5/B5 Line carft notebook | Shopee Philippines
كتاب ذو أوراق فضفاضة B5 / A5 لا يخلع اليد بخط أفقي متعدد المواصفات A4 دفتر ملاحظات سميك قابل للفصل يدرس ملف أسئلة متنوعة | شحن مجاني للمستخدمين الجدد | Temu
Understanding Paper Sizes — Phidon Pens - Blog
Kokuyo Soft Ring Notebook / Grid (A5/B5 Size) — Stickerrific
RuiZe Faux Leather Notebook A4 A6 B5 A5 Spiral Notebook Planner Agenda 2023 Hard Cover Office Business Notepad Planner Binder
The Best Notebooks for Every Use | JetPens
Paper Sizes Explained | Paper size, Paper, Jet pens
The Complete Guide To Notebook Sizes & Notebook Sizes Chart [Updated 2023]
A4 B5 A5 Loose Leaf Notebook Binder Book Refillable | Shopee Malaysia