Material: Made of premium quality metal, rings won't crack, split or bend. Easy to Use: Open and close easily and lock for extra security, some may be tight, but if you are patient and careful, you will definitely open it. It can hold about 100 pages,swing the hands up and down. This loose-leaf metal clasp 3 rings can rotate and move, between bar and ring is firm and firm. Application: Suitable for standard A5/A6 size, or you can drill holes according to your own needs. Ideal for make your own DIY travel notebook, photo album and personal organizers, scrapbooking, planner and more. Specification: Material:Metal Color:Gold + Silver + Bronze + Matte Black Size Chart: Size: Approx. 3.8 x 2 cm / 1.50 x 0.79inch Package Includes: 3 Pieces Loose Leaf Binder Rings Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size.