Waterproof patch adapted to protect the skin area with Freestyle Libre FSL sensor. Suitable for submersion in swimming pools, sea and outdoor activities. They have a durable adhesiveness that helps to keep the FSL sensor in the right place. Suitable for sports activities such as hiking, trekking and mountain walks, for adults and children. It is a dressing with a duration of 14 days, with a model that mimics a tattoo. It is resistant to water pressure and sweat.