The 6-hole binder cover allows you to press both ends of the metal button to open the clasp, then you can insert your own paper into the ring, pressing firmly from the sides to the middle of the open clasp for easy adding or removing pages. Suitable for dairy, travel records, business notebooks, poetry, writing, sketching, painting, work records, study notes, mood diaries, and other uses. Features -Color:Transparent -Material:Plastic -Size:19.50X13.00X3.00cm/7.66X5.11X1.18in -Use , it is not easy to deform, you can use it with confidence. -This Notebook Cover has a wide range of applications and can be used to protect manuals and notebooks. -It keeps your notepad free , and provides convenience for your study or office. -It has clear design and easy to use, press both ends to open the loose-leaf ring, and twisting both sides of the loose-leaf ring to close. -It can be used not only in schools, but also in offices. Can be a good gift for your good friends, they will enjoy it. Package list: 5 x Binder