[Penpia] 3500 Grid Square Notebook | 50 Sheets | 188*260mm | Left Twin Spiral Bound | Made in Korea

Graph paper interior optimized for secondary students! Features Left Twin Spiral Binding and a standard 188*260mm size for organized notes, math, and drafting.

The Penpia 3500 Grid Square Notebook is a high-utility note-taking tool, particularly popular among middle and high school students. The interior pages feature a graph paper/grid square ruling (방안 노트), which is ideal for organizing complex notes, drawing charts, plotting math problems, or practicing diagrams.

- Grid/Graph Paper Interior: The squared ruling helps users maintain neatness and proportional accuracy when drawing diagrams, planning layouts, or working on complex subjects like mathematics and science.
- Binding Type: Features Left Twin Spiral Binding (좌 2줄 스프링) for enhanced durability and usability, allowing the notebook to lay completely flat or fold 360 degrees.
- Sheets Count: 50 sheets provide a substantial capacity for a single subject or project.
- Size: 188mm x 260mm size (Large B5 equivalent), a standard large format.
- Design: Cover design is sent randomly.

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