Features: brand new and high quality 20-RING & 26-RING. 2 types optionals for you, including 20-ring Binding Comb; 26-ring Binding Comb. for Ideal for all A5 and B5 Loose-leaf Notebook. Simple and practical. PREMIUM QUALITY. High quality, PP material ensures that combs won'for t chip, scratch, peel or discolor and can be re-used. EASY TO USE. Clip closure deisgn, sturdy and durable. 30-hole loose-leaf plastic clip. Suitable for A5/B5 loose-leaf notebook, paper binding, binder notebook, loose-leaf scrapbook, DIY notebook binding, ect. SIZE DETAIL. 20-ring Size 8.66inches(22cm); 26-ring Size 10.63inches(27cm); Binding thickness is about 0.39inch(10mm). Recommended number of sheets: 70-80 sheets. EXCELLENT CHOICE. Great loose-leaf notebook binding comb replacement accessories. Perfect choice for students, girls, children, women, teacher and more. Home, office, school stationery supply. Clip closure and open design convenit and easy to use. Specifications: Material: PP Color: Transparent Fit for: A5/B5 Loose-leaf Notebook Type-A: 20-hole Binding Ring Type-B: 26-hole Binding Ring 20-hole Size: Approx. 22cm/8.66in 26-hole Size: Approx. 27cm/10.63in Inner Diameter: Approx.10mm/0.39in Paper Capacity: 70-80 Sheets Weight: Approx. 22g Package Includes: 1 Piece Plastic Binding Comb note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!