Specification:
Material: High-quality plastic
Color: green, white, blue, black, dark pink, yellow, purple, light pink
Length: 11.02 inch/28cm
Inner ring diameter: 0.33 inch/8.5mm and 0.47 inch/12mm
Distance between each ring: 0.37 inch/9.5 mm
Quantity: 16 pack
Package Includes:
16 x Plastic binding ring
Note:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.

What You Will Receive: 16 binding spines in 2 sizes (8.5mm and 12mm inner diameter) and 8 distinct colors. An adequate quantity and rich variety of colors can meet the daily needs of adding or reducing and classifying different documents
Product Dimensions: The spiral binding measures 11.02 inches/28 cm in length. The spacing between adjacent coils is 0.37 inches/9.5 mm. Inner ring diameter 0.33 inches/8.5 mm (small), 0.47 inches/12 mm (large). Binding capacity Approximately 20-25 sheets (small), approximately 85 sheets (large). Please measure your size before ordering
Reliable Material: The spiral notebook maker is made of high quality plastic that is sturdy and durable with a smooth surface and bright colors, these binder combs provide reliable binding results and they are soft and tough, pliable and bendable, easy to open and close, reusable and have a long life
Widely Used: Coil binding spines are suitable for journals, workbooks, customization of office documents, organization of study notes, etc. They are also great for making personal photo albums, notebooks, journals, scrapbooks, etc. Protect your loose-leaf books to stay intact for a longer time
Safe to Use: You can trim these spiral binder coils to suit your needs, each book spine has 30 rings for different sizes of notebooks and loose-leaf . You can also increase or decrease the refill as you like, it won't hurt your book or loose-leaf