SIZES & COMPATIBILITY

This product is designed to fit popular discbound planners and standard planner formats.
Please review the size list below to ensure compatibility with your planner system.

Compatible planner sizes include:

• Big Happy Planner / TUL Letter

• Classic Happy Planner

• Skinny Classic Happy Planner

• Mini Happy Planner

• Skinny Mini Happy Planner

• Micro Happy Planner

• TUL Junior

• Erin Condren 7 × 9

• A5

• A6

Important notes:

• Hole spacing and sizing are tailored for discbound planners

• Some sizes may require trimming depending on your punch or binding system

• Compatibility is based on standard planner dimensions for each brand

If you are unsure which size to choose, please double-check your planner measurements or reach out before purchasing — I’m always happy to help.