Elevate your document organization with these durable plastic binding spines, crafted to securely hold and present your important papers. With a 1/2-inch diameter, they are designed to accommodate up to 90 sheets, ensuring a neat and professional appearance for reports, presentations, and manuals. Each box provides 100 black spines, offering ample supply for both office and personal use, while their sleek design complements any setting with understated elegance.