100pcs Expansion Disc Planner Discs 1 in Tree Black - Discbound Rings

In this review the focus is on a pack of 100 expansion discs designed for discbound notebooks and planners. The pack is aimed at people who build or modify their own planners and need a large, consistent supply of durable discs; the single biggest reason to buy is sheer quantity combined with compatibility, since these 0.94 in (24 mm) discs are engineered to hold about 80 sheets and fit most popular discbound systems. The reviewer found them especially useful for frequent reorganization and for projects that require matching disc size across multiple notebooks.

Key Features

• Colorful selection: A wide range of colors lets users coordinate or color-code pages and covers for visual organization.
• Standard diameter: At 0.94 in (24 mm) these discs are sized to hold roughly 80 sheets, making them suitable for medium-thickness planners and refills.
• Broad compatibility: The discs work with common discbound systems and covers, so users can mix and match with Talia, Circa, Arc, Tul and other brands.
• Lightweight plastic: Made from premium plastic, the discs are portable and reduce bulk while remaining sturdy for everyday handling.
• Easy page management: The disc shape and durable construction let users add, remove or reorganize pages without special tools.
• Large pack size: With 100 pieces in the set, this pack supplies several notebooks or ongoing planner projects without frequent reorders.

Who It's For

These discs are best for DIY stationery fans, students, teachers and office users who prefer a customizable discbound system and need a reliable supply to keep several notebooks or planners consistent. Users who regularly reorganize pages or who create customized notebooks for classes, projects or portfolios will appreciate having 100 matching discs on hand.

People who should look elsewhere include those who need metal rings for heavy-duty archival uses or users who require very large capacity rings for hundreds of pages; this 24 mm size is a medium capacity best suited for everyday planners and moderate collections of pages.

Pros & Cons

Pros

• Generous 100-piece pack reduces the need to repurchase often and supports multiple notebooks.
• Compatible 24 mm diameter works with many popular discbound systems for easy integration.
• Durable, lightweight plastic keeps notebooks portable while allowing easy page changes.

Cons

• Plastic construction is not as heavy-duty as metal for very frequent, rough use.
• The 24 mm size is medium capacity and may be too small for users with very large document stacks.

Specifications

Brand	ITSYHPRO
Quantity	100 pcs
Disc diameter	0.94 in (24 mm)
Sheet capacity	Approximately 80 sheets
Material	Premium plastic
Compatible systems	Discbound planners and covers (Talia, Circa, Arc, Tul, Big Happy Planner letter)

Our Verdict

For anyone building or maintaining discbound notebooks, this 100-piece set delivers strong value through quantity, compatibility and lightweight durability. It is a practical buy for students, planners and DIY stationery users who want easy page rearrangement and consistent disc sizing across multiple books, though those needing metal rings or very large capacity should consider other options.

Frequently Asked Questions

Will these discs fit my discbound planner?
They fit most popular discbound systems and covers that use 24 mm discs, including Talia, Circa, Arc and Tul style planners.

How many sheets can one disc hold?
Each 24 mm disc is engineered to hold roughly 80 sheets, suitable for medium-thickness notebooks.

Are the discs durable for daily use?
Made from premium plastic, the discs are lightweight and durable for everyday handling, though metal rings offer greater long-term toughness for heavy-duty use.