Features • 22mm Inner Diameter: Designed with a 22mm inner diameter and 30 holes, this binding spine can securely hold numerous sheets for efficient document organization • 10-Piece Set: Each set includes 10 binding spines, ensuring you have ample supplies for all your binding needs, perfect for home, office, or school projects • Durable PP Material: Crafted from high-quality PP plastic, these binding spines are wear-resistant and sturdy, providing long-lasting use without harmful substances • Smooth Page Turn Performance: The glossy finish and strong adhesion allow for easy page turning, making it ideal for repeated use without the risk of breakage • Versatile Binding Tool: Easily bind papers by punching holes, allowing any office staff or student to efficiently manage their documents with minimal effort 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