Features 70PCS Plastic Binding Spines: Includes 70pcs of 4 hole binding spines with 12mm inner diameter, ensuring ample quantity for easy use and replacement. Durable Plastic Material: Made of high-quality plastic for lightweight, wear and scratch resistance, guaranteeing a long service life for extended use. Easy Manual Operation: Simply punch holes in paper for manual binding, making it suitable for office, school, or home use, providing convenience and practicality. Excellent Performance: Features good gloss, strong adhesion, and durability, ensuring papers are easily bound and stored for extended periods without breakage or fading. 7 Different Transparent Colors: Comes in 7 different transparent colors for easy identification and versatile use in various DIY binding projects. Specification: Item Type: 4 Hole Binding Rings Inner Diameter: Approx. 12mm / 0.5in Uses: Stationery accessories binding consumables Package List: 10 x Transparent Color Binding Rings 10 x Transparent Pink Binding Rings 10 x Transparent Black Binding Rings 10 x Transparent Orange Binding Rings 10 x Transparent Blue Binding Rings 10 x Transparent Green Binding Rings 10 x Transparent Purple Binding Rings Package List 10 x Transparent Color Binding Rings 10 x Transparent Pink Binding Rings 10 x Transparent Black Binding Rings 10 x Transparent Orange Binding Rings 10 x Transparent Blue Binding Rings 10 x Transparent Green Binding Rings 10 x Transparent Purple Binding Rings