Features • 22mm Inner Diameter: Designed with a 22mm inner diameter, these binding spines can accommodate multiple sheets, making them ideal for organizing up to 100 sheets at once • Set of 10 Pieces: Each set includes 10 durable binding spines, providing long-lasting use for your projects and ensuring you always have extra spines on hand • High-Quality PP Material: Crafted from premium PP plastic, these spines are wear-resistant and sturdy, ensuring durability and longevity for everyday binding needs • Smooth Page Turning: Featuring a glossy finish and strong adhesion, these spines allow for seamless page turning and can be reused multiple times without breaking • Easy Manual Binding: Compatible with standard hole punching, these binding spines are user-friendly and perfect for office staff and students looking to organize papers easily 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