Each AccuTip cover has a cardboard insert to form the cover for easy application, and comes sanitized in a bulk bag. AccuTips are for use with Accutome's AccuPen as well as the Reichert Tono-Pen. These tonometer tip covers can be used to keep your patients safe from a contaminated tonometer tip, thus helping prevent infection. Package Quantity: 100 Box Quick Overview These covers can help reduce the risk of patient infection from the tonometer tip.