Check the listing for details. 8.5mm(0.3") Spiral Binder Ring,20 Pcs 30 Rings Comb Binding Spines, Black. Condition: New. Listed at 15.35 USD. The 30-Hole spiral binder ring can help you organize your notes, which is suitable for making scrapbooks, notebooks, photo albums, calendars, files, etc. Different colors can meet your different needs. Very suitable for home, office, store. This plastic binding ring is easy to open and remove pages of paper without any machine.SpecificationColor: BlackMaterial: PPCapability: 20-25 sheets of paperSize: 279 x 8.5 mm/11 x 0.3 inch(L*Inner Diameter)Packing List: 20 Pcs x 30-Hole Spiral Binder RingAdvantageOur comb binding rings are made of PP, which is flexible, lightweight and durable, and can be bent without being easily deformed.Cylindrical ring design, smooth round inner wall, 3604deg; smooth page turning without damaging the paper. And you can cut the binder length freely according to your need.