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 lasts over 14 days, surviving 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 ensure full protection and easier sensor access without sticking to the device. Easy to apply and read: Pre-cut backing for simple self-application with no assistance needed. The transparent design allows easy reading through the patch. Hypoallergenic adhesive: Made from latex-free medical-grade materials, breathable and comfortable, leaving no residue on the skin. Material: Transparent TPU; Black Khaki variant made of elastic cloth with acrylic adhesive. Product size: 11 x 7.8 cm.