These plastic binder rings are flexible and durable, ideal for organizing loose leaves, cards, and notebooks. Available in 6 colors and 4 sizes, the double buckle design provides a secure closure. Suitable for use in scrapbooking, as key rings, or for binding various loose-leaf materials. This package includes 50 binder rings. Features: 1. Made of high-quality plastic, offering flexibility and high toughness for long-lasting use. 2. Practical tool for keeping loose leaves and documents organized; suitable for binding cards, notebooks, and loose-leaf books. 3. Inner diameter options: 15mm, 20mm, 28mm, and 40mm. Double buckle design enhances strength, making it easy to fasten and resistant to loosening. 4. Ideal for use with loose-leaf books, key rings, notebooks, scrapbooking, and other organizational needs. 5. Package includes: 50 x Loose Leaf Rings. Color options: Pink, Red, Yellow, Green, Blue, Multicolor. Specifications: Material: Plastic Color: Pink, Red, Yellow, Green, Blue, Multicolor Inner Diameter: 15mm, 20mm, 28mm, 40mm Weight: 25g, 37g, 64g, 125g (varies by size) Package Included: 50 x DIY Binder Ring