Features • 22mm Inner Diameter: Designed with 30 holes and a 22mm inner diameter, these binding spines can securely hold multiple sheets for efficient document management • Set of 10 Pieces: Each package includes 10 durable binding spines, offering ample supply for long-term use and organization of your paperwork • High-Quality PP Material: Crafted from premium PP plastic, these spines are wear-resistant, anti-aging, and sturdy, ensuring longevity and reliable performance • Smooth Page Turning: The glossy finish and strong adhesion of these binding strips allow for effortless page turning, enhancing your overall user experience • Versatile Binding Solution: Easily bind your documents by manually punching holes, making this a practical tool for both office staff and students alike Features: 1、22mm 30 Holes: This is 30 hole loose leaf paper binding strip with an inner diameter of 22mm, which can hold multiple sheets at one time. 2、10 Pieces in Set: The set contains 10 pieces this binding spines, allowing you to easily store paper and use for a long time. 3、 PP Material: The binding spine is made of excellent PP plastic, there is no harmless, has good wear and resistant, anti aging, sturdy and . 4、Good Performance: The binding strip is glossy, and has strong adhesion, not easy to break, can turn page smoothly, and can be used repeatedly. 5、Wide Usage: Binding strip can be manually bound by punching suitable holes, which can be easily operated by any office staff or student. Specification: Item Type: Loose Leaf Binding Spine Material: Polypropylene Inner Diameter: Approx. 22mm/0.9in Type: Stationery Accessories Binding Consumables Package List: 10 x Loose Leaf Binding Spine Package List 10 x Loose Leaf Binding Spine