Features: 1. Great for sensitive skin, our users have experienced no irritation, no itching or discomfort while using our over patches. 2. Our adhesive patch holds your device firmly to your skin and extends its life without causing it to fall off or hang loose. 3. The adhesive patch are invisible both suitable for girls and boys and keep your sensor look good. 4. Our innovative material dries quickly and keeps the sweat and water from loosening your device. 5. Easy to use by yourself, no need other39;s help. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement This product only has patches and no sensors Description: Size: 7.4cm*7cm*0.05cm Package List: 1 pcs x Adhesive Patch