The Freestyle libre 2 sensor cover is specifically designed for libre 2 sensor or Freestyle libre sensor. Glucose monitor patch holds the sensor firmly to your skin for multiple days involving daily showers, swimming sweaty exercises. Note: Skin allergies, please use with caution. Because of the long time tightly attached to the skin, the skin will be reddened when you tear it off. This is normal, please rest assured that it will to normal after some time. The libre 2 sensor covers waterproof sweatproof, holding the libre 2 sensor firmly to your skin for 7 to 14 days. Libre 2 sensor stickers can protect your libre 2 sensor device when cycling, running, swimming, showering or doing other l water activities. It's safe to go anywhere with CGM patches without worrying about damaged your libre sensors. The freestyle libre 2 sensor patches are made of high quality latex-free TPU film strong wave-patterned adhesive, thin comfortable, wear it forget about it. No odour. The transparent tape patches are virtually invisible, protecting the sensor without compromising aesthetics. The Libre 2 sensor covers are no glue in the middle the sensor will not be soiled by the glue. Clean your arm keep it dry before installing the waterproof patch. This way the sensor patches will fit perfectly to the skin stick more tightly. You can easily remove or replace the glucose patches if needed without pulling the Libre sensor. Package Includes - 60 pieces transparent diabetic sensor covers. We are committed to providing our customers with blood glucose sensor protection patches to solve the problem of sensors being easily dropped or damaged. NOTE: The Libre sensor is not included.