This notebook cover is made of stainless steel and PVC material, durability and practicality . The PVC cover protects your notebook well as well as a decoration for your notebook, which can keep your hand books clean. Features - Color: Transparent -Material:Stainless steel, PVC - Size: 23.00X17.00X2.00cm/9.04X6.68X0.79in -Use stainless steel and PVC material, this binder cover is not easy to deform, you can use it with confidence. -This PVC cover has a wide range of applications and can be used to guard manuals and notebooks. -The binder features a strong metal button will effectively prevent the inner paper from falling off. -The professional binder can be used not only in schools, but also in offices, home, travel, etc. -Excellent for diary, travel diary, business notebook, office, school, creative writing, etc. Ring binder will be perfectly applied for diary, travel journal, notebook, work records, which can effectively protect them. The binder is easy to wipe dirty, easy to clean, not easy to leave stains on the protective cover. Ring binder is convenient to carry, fits in your briefcase and backpack, portable to carry and use. The professional binder is reliable, protecting your important files or creation anytime and anywhere Light weight, strong anti-slip ability, not easy to fall off, to provide you with convenience.