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Nice accessory for document:
Binding spines are perfect for creating compact reports, books, or other documents, they work especially well for documents that need to be filed, stacked or mailed.

Large capacity:
These reclosable binding spines with 4 pins are 11 inches in length, which could hold approximately 150 sheets of papers, there are 50 pieces in total, will meet your filing and stacking demand.

Specifications:
Material: plastic
Color: black
Size: 28 cm/ 11 inches

Package includes:
50 X Binding spines reclosable

Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.

Durability: binding spines are made of strong plastic material, which can withstand frequent use and long-term storage, easy for you to create a flat book-style binding for easy filing and stacking, ideal for medical and accountant, etc
150 Sheet Capacity: this 4 pin binding spines is perfect for a variety of binding needs, can bind thicker documents which could hold up to 200 sheets of paper, leaving plenty of room for your important projects
Reclosable Easily: this neat black comb binding spines allows you to open items, edit them and neatly close them again, and the high security could fix the document's firmer, ensuring that the pages are not easy to fall off, which is suitable for binding important documents
Easy to Use: plastic binding spines is easy to use and more convenient and labor-saving than spiral binding, the bound documents have a neat appearance and smooth edges, which is suitable for formal occasions
Adequate quantity: come with 50 pieces of black pvc binding spines, which provides a durable cover for all your printed projects, perfect for documents that need to be stored for a long time or prevent tampering