The loose leaf binder rings are ideal for students and professionals Use these rings for index cards to create flashcards, study guides, or presentation materials. The sturdy zinc alloy construction ensures that your cards stay securely fastened, while the openable design allows for updates to your content. Features - ColorGolden -Material:Zinc alloy - Size: 2.48X2.00X1.00cm/0.97X0.79X0.39in -Inner Diameter: 20 mm, width: 10 mm -Easy calendar binding: the calendar binding rings facilitate easy assembly of calendars, eliminating the hassle of manual binding. -Multifunctional: these rings are versatile and can be used for binding various types of cards, not just calendars -Elegant design: the calendar binding rings feature a sleek and elegant design, adding to the calendar's aesthetic appeal -Simple operation: these zinc alloy binder rings can be easily opened and closed, making them userfriendly -Wide range of uses: ideal for loose leaf binder rings, book rings, calendar rings, and card rings, providing a multifunctional binding option Package list: 10 x desk calendar binding circles