[Long-lasting]-Our patches keep your sensor firmly attached to your skin and extend its lifespan. With proper care, the sensor tape can last up to 14 days without falling off or loosening. Works well even when swimming, showering, or regular exercise. [Waterproof and Sweatproof]-Our patches are made of high-quality natural cotton material, which is waterproof and breathable. The cotton material dries quickly and prevents sweat from loosening your sensor, so you don't have to worry about showering, rain, swimming, etc. [Comfortable and Hypoallergenic]-The freestyle adhesive patch is hypoallergenic and latex-free and leaves no residue on the skin even after 14 days. There is no irritation, itching, or discomfort when using it. [No glue in the middle]-Our soft overpatch is designed without glue in the middle, will not stick to the sensor, can stay on for a long time. Adhesive tape with pre-cut transparent tape and protects cgm glucose meter, will not damage the sensor when you need to change the patch. [Flexible and Easy to Use]-Waterproof patch, just peel off the backing paper to easily cover the sensor. The package contains 20 patches, 3 \" diameter, 1 1/5 \" glue-free area.