Features • 22mm Inner Diameter Design: Accommodates multiple sheets with ease, ensuring your documents are securely bound and organized without any hassle • Set of 10 Pieces: Enjoy long-term use with this generous pack, providing ample supply for all your binding needs, whether at home, school, or office • Durable PP Material: Crafted from high-quality PP plastic, these binding spines are wear-resistant and anti-aging, ensuring lasting performance and reliability • Smooth Page Turning: Features a glossy finish and strong adhesion, allowing for easy page turning and repeated use without the risk of breakage • User-Friendly Binding Tool: Compatible with standard hole-punching, making it accessible for students and office staff to create custom-bound documents effortlessly 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 harml, 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 Accories Binding Consumables Package List: 10 x Loose Leaf Binding Spine Package List 10 x Loose Leaf Binding Spine