Description:

【Expand Page Capacity】 18mm discs hold 50% more pages than standard 3/4" discs, ideal for bulky inserts, stickers, or multi-project planning.
【Universal Planner Fit】 Compatible with Junior, Midsize, and Letter-sized discbound systems (e.g., Happy Planner, TUL, Arc)—seamlessly upgrade or replace worn discs.
【Mushroom Hole Security】 Lock pages in place with raised edges that prevent accidental slips, even during travel or heavy daily use.
【Lightweight & Durable】 Shatter-resistant plastic discs weigh 60% less than metal, reducing bulk while surviving drops, bends, and frequent page swaps.
【50-Pack Customization Freedom】 Mix and match colors or sizes across planners, journals, or DIY projects—enough discs for 5+ planners or backups.