Mosseryproducts are fantastic if you want some flexibility and customization. Mossery TWINBOOKS are refillable undated half-year planner + dotted notebook (96 pages) with monthly spreads and habit trackers. Each planner comes in two options: vertical or horizontal.
Refillable Mossery ThreadboundDOTTED NOTEBOOKS have 192 pages and can be refilled with 1 regular refill or you can decide to change them into a Twinbook and refill them with 2 light refills instead! :)
The 100gsm paper used in Mossery planners and notebooks is suitable for most fountain pens, brush pens, ballpoint pens, and micron pens.