● Product Description ● ・ This is a set of 12 【loose-leaf binder rings】 for 4-hole type. ・ With a hole diameter of 15mm, it's an easy-to-use size that can hold 【approximately 100 sheets】. ・ It's widely used for notebooks, loose-leaf paper, organizing prints, and various study and office tasks. ● Set Contents ● ・ Binder rings × 12 ● Colors ● Purple, Green, Clear, Yellow, Red, Blue ● Size ● ・ Hole diameter: Approximately 15mm ・ Total length: Approximately 33mm ※ There may be slight variations due to measurement.