40 PACKS LONG LASTING ADHESIVE PATCHES - These adhesive patches securely hold your sensor device in place on the skin, helping to protect your sensor. With proper care, each patch can last up to 10-14 days and withstand 10-14 showers. The pack includes 40 pieces, offering great value. PREMIUM WATERPROOF & SWEATPROOF MATERIALS - Made from high-quality, breathable materials that dry quickly, these patches are waterproof and sweatproof. Enjoy confidence during daily activities, including swimming and exercise. SKIN FRIENDLY - The patches are hypoallergenic and latex-free, designed to leave no residue on the skin even after extended use. The comfortable, breathable material helps prevent irritation and itching, making it suitable for all skin types. EASY APPLICATION - Features pre-cut backing paper for quick and easy application. The center of the patch is glue-free, allowing safe and convenient sensor changes without damage. PERFECT FOR LIBRE SENSOR - Designed to fit Libre 1/2/3/Pro sensors and compatible with Medtronic Guardian 3, Dexcom G6, G5, G4, and Enlite sensors.