Description: 【Durable Material】Binding bars are made of plastic material, which has good toughness, not easy to break, strong and durable. 【Application】Binding strips are suitable for binding A4 and A3 size paper, suitable for binding contracts, documents, files, and information into volumes. 【Easy to use】Binding tools, button binding structure, easy to operate and not easy to fall off. [Product size] Black Binding strips, length is 30cm, binding thickness is approximately 10mm. [Specifications] The number of binding holes for 30cm Binding strips is 10, and the maximum number of binding pages is 80 pages. They are special clamping strips for binding machines. Specification: Material: Plastic Size Chart: Length: 30cm/11.81inch Binding thickness: approximately 1cm/0.39inch Package Includes: 100x Binding strips Note: Please allow slightly errors due to manual measurement and different monitors.