This is a set of replacement paper for loose-leaf book, easy to insert into all standard loose-leaf book. Using high-grade materials, and this Notepad Refills kit has a smooth surface, which is very suitable for writing, painting and so on. It's a great gift for students or staff. Come take it . Features -Color:Assorted Color -Material:Paper -Size:12.00X8.00X0.40cm/4.72X3.14X0.16in -Note:Each Book includes 45 Sheets of Inserts. -You can easily organize your plans and are a good helper in your life, work, and study. -With high-grade paper materials, you have a good and smooth writing experience. -This loose-leaf Notepad Refill is suitable for writing, journaling, planning, taking notes, etc. -It has strong practicability and a wide range of applications, not only in schools, but also in office places. -You can use these Notebook Refills easily, just put them in your loose-leaf book, very practical and convenient. Package list: 16 x Books of Notebook Refills