Features Reusable and Design: Made from high-quality polypropylene, these binding coils are resistant to wear and tear, ensuring long-lasting use without fading or breaking Compact and Portable: Lightweight and easy to carry, this binding coils kit can be conveniently stored in any bag or desk, taking up minimal space when not in use User-Friendly Binding Method: Simple to use for both beginners and experts, just punch the corresponding holes to bind pages effortlessly, making it ideal for any skill level Features: 1、6 COLORS: Different bright colors are available, including blue, red, green, yellow, orange, and purple, not only can meet your various needs, but also help you to classify files according to different colors 2、SIZE DETAILS: The inner diameter of the plastic loose leaf ring is 27mm, and the binding thickness should not exceed 27mm 3、PACKAGE QUANTITY: You will get 90 pieces of binders in multiple colors, enough quantity for long term use 4、WIDE RANGE OF APPLICATIONS: Suitable for binders, business or note cards, classrooms, offices, homes, can also be used as a keychain, great for holding stacks of documents, keys and samples, easy to use for office and home storage 5、 PLASTIC: Since the material of the flexible book loop is plastic, sturdy and and will not crack or split, the loop opens and closes easily, ensuring your long lasting use Specification: Item Type: Plastic Loose Leaf Rings Inner Diameter: Approx. 27mm / 1.06in Color: Yellow, red, blue, orange, green, purple Package List: 15 x Yellow Plastic Loose Leaf Rings 15 x Blue Plastic Loose Leaf Rings 15 x Green Plastic Loose Leaf Rings 15 x Purple Plastic Loose Leaf Rings 15 x Red Plastic Loose Leaf Rings 15 x Orange Plastic Loose Leaf Rings Package List 15 x Yellow Plastic Loose Leaf Rings 15 x Blue Plastic Loose Leaf Rings 15 x Green Plastic Loose Leaf Rings 15 x Purple Plastic Loose Leaf Rings 15 x Red Plastic Loose Leaf Rings 15 x Orange Plastic Loose Leaf Rings