No More Lost Sensors: Keeps your Libre continuous glucose monitor safe for up to two weeks. Soft On Skin: Patches are free of latex, FDA approved, medical-grade, and hypoallergenic. Do The Things You Love: Sweatproof tape provide peace of mind while swimming, showering, or exercising. Do all the things you care about without your Libre device detaching. Comfortable & Quick Drying: So thin and comfortable, you won't even know it's there... until someone comments on your "robot" device. Moves With Your Motion: The 4-way elastic material mimics the flexing of your body to avoid catching and pulling your skin. Quick Application: Backing paper is split into 4 sections for painless application. Risk-Free: If you don't love them, return them within 30 days for a complete refund. That's our promise.