Features • 22mm Inner Diameter: Accommodates multiple sheets effortlessly, making organization and binding simple and efficient for all your loose leaf projects • Set of 10 Pieces: Enjoy extended use with a complete set of 10 binding spines, ensuring you always have a reliable solution for your paper binding needs • Durable PP Material: Crafted from high-quality PP plastic, these binding rings are wear-resistant, anti-aging, and designed to withstand daily use without compromising strength • Smooth Page Turning: The glossy finish and strong adhesion ensure that pages turn smoothly and the binding remains intact, providing a seamless user experience • Easy Manual Binding: Designed for versatility, these spines allow for easy manual binding, perfect for office staff or students looking to organize their documents efficiently 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