DescriptionMade of metal material, this item of binding spines is durable and practical for long-lasting use. The twin loop wire binding spines help gather your files together and organize them to keep in order, no more scattering or causing mess. for use in busy corporate offices, school offices, classrooms, homes, etc.Features-Material: Iron -Size: 27.00X2.50X1.50cm/10.61X0.98X0.59in- Our twin loop wire binding ring help gather your files together and organize them to keep in order, no more scattering or causing mess. - choice for your presentation, meeting, office, universities, accounting firm supplies. - The double loop wire binding rings are made of metal material, featuring with double loop style to offer security and durability, stable enough. - Combining your report page, calendar, sketch, file, etc., fit for most wire binding machines, bring much convenience to your work and learning life. -Fine workmanship ensure the practicality and durability.