Package contents: there comes with 20 pieces of adhesive patches with pre-cut tape, which is waterproof and sweatproof, sufficient quantity to meet your needs in different scenarios, such as swimming, showering and sports. Safe material: these skin adhesive patches are made of elastic fabric material, soft and thin, which can stretch and move with your body, they are comfortable for you to use, and they will not cause harm to your skin. Practical design: these waterproof sensor covers are easy and convenient for use, so they can make your sensor safer, beautiful and practical; Please note that the sensor is not included in the package. Simple to use: the application method ensures that applying the tape patch is as easy as an adhesive bandage, gently peel it off to fit. Multiple function: the shower waterproof tape can withstand more than 10 showers or in water activities; No matter what sport you do, it will keep your sensor from being disturbed by sweat.