DescriptionHigh quality stationery and office supplies. This spiral coil are made of premium plastic, black, match withvarious color of cover, bring professional and functional look for yourreport, book, notebook and calendar.Features- Color: White - Material: Plastic - Size: About 27.80X1.00X1.00cm/10.93X0.39X0.39in - Made of plastic material, light and flexible.- It can be bound to the 30 holes of A4/B5 paper. - The binding strip can be cut at will, and can be stapled or segmented. - Give your reports and documents a customized, professional look.- Easy to add paper or remove paper, durable to use.