40 PACKS LONG LASTING ADHESIVE PATCHES - Our adhesive patches would hold your sensor device firmly to the skin, keep your sensors at much safe condition. With proper care,one piece of patch could last up to 10-14 days and 10-14 times of shower.Comes with 40 pieces of economy packing,It is the best value for your money. PREMIUM WATERPROOF SWEATPROOF MATERIALS - Made of premium breathable materials,drying fast,waterproof and sweatproof.With these adhesive patches,you will have no worry on your sensors safety at any water sweat activities.Make your life easier. SKIN FRIENDLY - The adhesive patches are hypoallergenic and latex free,leaving no residue on the skin even after long time use.Our materials are comfortable and breathable.No irritation, no itching when using it,which are suitable for all skin types. EASY APPLICATION - With Pre-cut backing paper for easy peeling off and applying.No glue in the center of patches,which will be convenient and no damage to your sensor,when you need to change a new patch. PERFECT FOR LIBRE SENSOR - The Adhesive Patches are perfectly suitable for Libre 1 or 2 or 3 or Pro,which are also compatible with Medtronic Guardian 3, Dexcom G6, G5, G4,Enlite.