Features 10mm 30 Holes: Securely bind up to 65 sheets with the 30 hole loose leaf binding spine, featuring a durable 10mm inner diameter for robust paper organization. Set of 10Pcs: Conveniently compile and store papers with the set of 10 binding spines, offering long-term paper management and storage solutions. Excellent PP Plastic: Crafted from high-quality PP plastic, these binding spines are non-harmful, wear-resistant, rust-proof, and durable, ensuring long-lasting document organization. Good Performance: Enjoy a glossy with strong adhesion, smooth page-turning, and reusability, making these binding spines ideal for professional and student use. Simple Binding: Easily bind papers by manually punching holes, providing a user-friendly solution for office staff and students alike. Specification: Item Type: Loose Leaf Binding Spine Material: PP Inner Diameter: Approx.10mm/0.4in Hole Number: 30 Holes Type: Stationery Accessories Binding Consumables Reference Number Of Pages That Can Be Bound: 10mm 65 Sheets Package List: 10 x Loose Leaf Binding Spine Package List 10 x Loose Leaf Binding Spine