The size is suitable for paper documents or music scores, etc. Made of sturdy material, good texture, strong and . The binders can give you a way to organize your file or paper that can handle repeated use. Binding ring design, easy to disassemble, not easy to drop pages, flexible page turning. A folder can store paper to meet daily needs. Features -Color:Black -Material:Metal,paper -Size:31.50X29.00X7.50cm/12.38X11.40X2.95in -Use good and practical material, 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 file paper and notebooks. -Binder cover is easy to use, press both ends to open the loose-leaf ring, and twisting both sides of the loose-leaf ring to close. -Binder cover can be used not only in schools, but also in offices. Can be a good your good friends, they will like it. -It keeps your notepad free from dirt and provides convenience for your study or office. Package list: 1 x Binder Cover