Our high-quality patch adopts quick-drying technology, waterproof and sweatproof, and can prevent any damage caused by water or sweat. Stay active in all weather conditions. This Navel Sticker is small in size and light in weight, which is very convenient to carry around. The Navel Ring Magnet Sticker is comfortable and breathable, suitable for all skin types. Very suitable for sensitive skin, our users have no irritation, no itching or discomfort when using our patch. Read Less