1. Smooth, thick looseleaf paper for filling: The refill paper features a smooth surface for effortless and comfortable writing. It is thick and soft, effectively preventing ink bleedthrough, and fits with A6 hole notebooks. Each sheet is printed with clear grid lines, allowing you to write neatly and beautifully, making your work appear more professional and eyecatching. 2. Flexible 6hole design: The refill paper is perforated with 6 holes following international standards, making it easy to insert and remove. When on the go, you don't need to carry a bulky notebook—just take a few sheets. After recording, simply place the paper back into any position of the ring binder notebook, offering flexible and convenient use. 3. Healthy and ecofriendly: The refillable paper is odorless, environmentally friendly, and safe for health. Our creamcolored looseleaf paper contains no fluorescent materials, ensuring better protection for your eyes and wellbeing. 4. Capture important moments: With this quality grid refill paper, you can jot down ideas or flashes of inspiration in any form, anytime and anywhere. It's for drawing, sketching, or graphic design.