Munhwa File F420-3S1 Premium B4 Clear Refill Sleeves with Anti Glare Protection and Reinforced Binding Edge 20 Sheets Made in Korea

High-Durability B4 Format Refill Sleeves with Advanced Anti-Glare Visual Protection for Professionals

The Munhwa File Creare B4 Refill Sleeves provide an exceptional solution for protecting and organizing medium-large format documents such as exam papers, music sheets, and technical drawings. Crafted from high-transparency PP material, these sleeves maintain their structural integrity across extreme temperature ranges, ensuring long-term archival reliability. With a specialized anti-glare treatment to prevent eye strain and a reinforced binding edge, these sleeves offer the perfect balance of professional clarity and rugged durability for any binder system.

- High-transparency premium PP film ensures that every detail and color of your original documents is displayed clearly and professionally.
- Specialized anti-glare technology effectively blocks harsh light reflections, providing a comfortable viewing experience and protecting your eyesight.
- Superior thermal stability ensures the sleeves remain flat and resistant to deformation in both high and low-temperature environments.
- Reinforced binding edge design features a specially processed area to prevent tearing and detachment from binder rings during frequent use.
- Universal multi-hole punch layout provides seamless compatibility with standard 2, 3, and 4-ring binders for versatile office and educational use.
- 100% Made in Korea with acid-free and non-stick material, preventing ink transfer and keeping your precious documents safe and preserved.

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