These loose-leaf Notepad Refills are made of paper material, and safe. Paper material, excellent for fountains pens and most types of pens. Suitable for office, home or store etc. They have the smooth surface, you have the comfortable skin touch. Features -Color:Multi -Material:Paper -Size:21.00X14.20X0.10cm/8.25X5.58X0.04in(A5) -Good Material: Manufactured with paper material, which is not easy to wear and not easy to tear -Effortless Turn Page: Notebook Refill opens flat on any surface and allows you to turn effortlessly from one sheet to another -Smooth and Clean: The surface is smooth and clean, suitable for painting, writing etc. It is multi-functional -Wide Use: This Notebook Refill is suitable for taking notes, writing diaries, writing reports, making records, keeping accounts, etc -Easy Installation: Flexible loose-leaf refill paper, you can easily install or remove anytime, anywhere Package list: Sheets of Binder Refills