Genuine Brand iKiSS tip covers exceed FDA standards and have been manufactured for over 30 years. They’re made to custom fit Tono-Pen, Avia and AccuPen tonometers. iKiSS tip covers are designed to be thin for more accurate readings and powderless for better service life. iKiSS tip covers protect your Tono-Pen, Avia and AccuPen tonometers from dust and fluids. They help protect patients from the risks of cross contamination. iKiSS tip covers are 100% hand inspected by trained technicians then sanitized.