1、[Customizable Length] This binding comb features 30 rings, and you can easily trim it with scissors to accommodate A4 paper, B5 paper, A5 paper, and other paper requirements. 2、[High Capacity] This comb binding spine is capable of holding up to 150 sheets of 70gsm paper, and you can freely add or remove additional pages as needed. 3、[Plastic Material] Our binding comb is crafted from premium plastic material, ensuring durability and reliable binding performance with each use. 4、[Professional Binding] Effortlessly bind reports, presentations, documents, and more with our binding comb, ensuring a professional appearance for your work every time. 5、[Versatile Applications] Ideal for use in loose leaf notebooks, journals, quiet books, desk calendars, and other loose leaf projects for added organization and convenience.