These binder rings are specially designed for making crafts, like keychain, loose-leaf book, scrapbooking, calendar, and more. It is made of PE materials and can be used for a long time. These accessories brings great convenience for you to make key chains, or scrapbook etc. Features -Color:White -Material:PE - Size: 4.00X3.50X0.40cm/1.57X1.38X0.16in -Note: 8pcs a box. -The rings open easily and lock for extra security. Pull to open and squeeze to close. -Closed tightly, easy to open and lock. Perfect for DIY your notepad, planner, calendar, etc. -Sufficient quantity for your daily use, or practical and delicate those people who love DIY making. -You can easily link a large number of loose-leaf brochures, paper cards, name tags, instruction guides, etc. -You can also use these binder rings to diy book, sample book, scrapbook, sample holders, contract or file. Package list: 4 x Boxes of Binder Rings