Description They are made of high-grade material, which can be used for a long time. Creative in design, but they are practical to use, which will give you a good use experience. Add style to your desktop. Use these binder rings to organize your planner pages or keep notes, receipts and more together.- Portable Book Rings Features -Material: Plastic -They are made of high-grade material, which can be used for a long time. - Household Book Circles -Simple in design, but they are practical to use, which will give you a good use experience.-Book Circles -Widely application, they are suitable for students, teachers, and other people who need them. -Book Rings -Fine workmanship and details, these binder rings are great for office, school or home use. - Convenient Book Rings -They are lightweight for easy and convenient to carry and store when not in use.- Plastic Binder Circles High-grade material and fine craftsmanship, and sturdy for a long time.- Book Accessory Lightweight and portable, they are very convenient for you to carry and store.- Paper Supply These binder rings are made of high class material and rigorous manufacturing processes.- Convenient Binder Rings Made of high-class plastic material, and practical for long-lasting use. - Household Book Rings You can use these binder rings to bind stacks of loose-leaf paper quickly and neatly without wasting time.- Plastic Book Circles