Features • 22mm Inner Diameter: Features a spacious 22mm inner diameter, allowing you to bind multiple sheets securely with ease and confidence • Convenient 10-Piece Set: Includes 10 durable binding spines, ensuring you have plenty on hand for all your paper organization needs • High-Quality PP Material: Crafted from premium PP plastic, these binding spines are wear-resistant, anti-aging, and sturdy for long-lasting use • Smooth Page Turning: Designed for optimal performance, these spines ensure smooth page turning and strong adhesion, making your documents easy to handle • Versatile Usage: Compatible with various paper types, these binding spines can be easily used by anyone, from office staff to students, for efficient organization 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