Features: Enhanced Sensor Protection: Our sensor covers for Libre provide reliable protection for your medical adhesive patches, ensuring longevity and preventing accidental dislodgement. No-Glue Center Design: The adhesive patches for Freestyle sensor feature a unique design with no glue in the center, ensuring a waterproof and strong hold while minimizing skin irritation. Hypoallergenic and Breathable: Our sensor overpatch tape is made of hypoallergenic materials, offering sweatproof and breathable protection for your sensor. Say goodbye to discomfort and skin irritation. Convenient Pre-Cut Adhesive Tape: Our pre-cut adhesive tape is designed specifically for Libre adhesive covers, making it easy to apply and ensuring a precise fit every time. Long-Lasting and Reliable: Our adhesive patches are built to provide long-lasting protection for your sensor, offering a sweatproof and breathable solution that stays securely in place during daily activities. Specifications: Material: TPU Color: Transparent Diameter: 9 cm Note: Due to screen lighting effects, the actual color of the product may vary slightly. Due to manual measurement, please allow for minor size differences. Includes: 30 x Sensor Covers OR 40 x Sensor Covers OR 50 x Sensor Covers