You will 20 pieces 3 rings loose leaf binders book rings, and it's enough to make several own so you 't have you buy new ones frequently.You can share book rings with families or friends. Fit Most Books & Albums The size of each notebook ring is about 1.57 x 0.98 inch (4 cm x 2.5 cm) and inner diameter is 0.787 inch (2 cm), which is suitable for most books or albums size needs. Rustproof & Waterproof These metal loose leaf binder book rings, It 't bend, not easy to be broken, featuring good resistance to water and rust. Binder book rings can you with long-term . Flexible to Use Each gold book ring is well-designed, namely, it can be split into 2 halves and connect with a metal swivel tightly; So the book binders lock safely and tightly enough. Wide Application You can expand and medium binder clip ; They have a such flexible design that you can use 3 hole book rings to DIY travel diary, photo album, booking, loose-leaf notebook and graduation alumni book. 3 Holes Gold Loose Leaf Binder Book Rings on Post, Snap Split 3-Hinged Rings, Book Rings for DIY Travel Diary, Notebook Diary Photo Album Binding Durable to use: The ring metal loose leaf binder is waterproof and rust-proof and has long lifespan to use. Bring to life: These metal for rings allow you to turn pages of and no to worry about the notebook would broke after you split one page. Easy to Operate: Paper rings are convenient to use just pull to open and squeeze to . Wide usages: Binder Rings are suitable for memo filing, key rings, loose-leaf notebook and graduation alumni book. General size: The loose leaf binder book rings fit most books and albums, easy to fulfill your needs. Material: metal Color: gold Package Contents: 20 x Loose leaf binders book rings Warm reminder: These loose leaf binders are , keep it from under 3 years old. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.