Specification: You will get 45 labels per sheet, 40 sheets, total 1800 labels.The quantity is sufficient to meet various reinforcement needs in various occasions. Outer Diameter: 0.5" (13 mm). Inner Diameter: 0.25" (6.5 mm). Tear resistance: Made of high-quality paper material, it is tear resistant and sturdy, and can reinforce and repair perforations on loose leaf paper, making it work properly and protecting your documents. Hole reinforcement stickers suitable for most occasions, such as library, school, home or office documents, loose leaf folders, calendars, and sheet music in binders. QUAILTY ASSURANCE:We firlmly believe that you will love them that if you have any question，Please feel free to contact us and your satisfaction is always our top priority.