WATERPROOF, BREATHABLE & LONG LASTING: This transparent sensor patch is waterproof and breathable, allowing your skin to breathe freely while providing protection. It adheres securely and can last over 14 days and through multiple showers. No hole and no glue in the center: Large size (9 cm diameter) Freestyle Libre adhesive patch designed without a hole or central glue to allow full sensor protection and easier changes without sticking to the sensor. Easy to apply and read: Features pre-cut backing for simple self-application. The transparent design allows clear visibility of the sensor reading through the patch. Hypoallergenic adhesive: Made from latex-free medical-grade materials, breathable, comfortable to wear, and leaves no residue on the skin. Material: Transparent TPU; Black Khaki: Elastic cloth with acrylic adhesive. Product size: 11 x 7.8 cm.