Feature: 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. DURABLE PLASTIC: Since the material of the flexible book loop is plastic, sturdy and durable 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 Rings15 x Blue Plastic Loose Leaf Rings15 x Green Plastic Loose Leaf Rings15 x Purple Plastic Loose Leaf Rings15 x Red Plastic Loose Leaf Rings15 x Orange Plastic Loose Leaf Rings