This detachable standard loose-leaf replacement paper set is designed to fill loose-leaf notebooks. It is made of paper materials and writes smoothly, which is more convenient and practical to write. And this smooth writing Notepad Refills kit is loose-leaf notebooks. Features -Color:Assorted Color -Material:Paper -Size:17.20X9.50X1.00cm/6.76X3.73X0.39in -Note:50 sheets in total -It is made of paper materials, very thick, clean, flat, and not easy to wear. Give you a good use experience. -Easy to use, with six holes, easy to insert into your different kinds of loose-leaf notebook. -The surface is smooth, suitable for writing, painting, etc., especially suitable for students. -The Notepad Refill is a kind of hard-wearing paper, which perfectly matches with spiral travel notebooks. -Wide range of applications, suitable for students to take notes, write diaries, daily use, travel, office, etc. Package list: 1 x Book of Binder Refills