Metal Binder Rings: the package includes 60pcs mixed metallic color book rings, inner diameter: 1 inch, 6 colors: red, white,blue,green,pink, black ,10 pcs each color.Easy to Use: These colored ring clips for index cards pull to open and squeeze to close are easy to use. Its tightly locked design keeps your items organized so they won’t scatter or fell..Multi-functional Loose Leaf Rings: These mini metal rings are perfect for organizing documents, index cards, flashcards, scrapbooks, recipes, menus, photo albums, holding keys and more.We offer 6 different colors, bright colors can help you sort your items. At the same time, bright colors can attract children's or students' attention and make them happy to make their own projects..Our book rings are a great way to stay organized in style. Perfect for anything hole-punched such as flashcards, loose-leaf book, memo filing and more. Even popular as a keychain!