These reusable menstrual swim panties are functional physiological swimwear designed for women during their cycle. Built with an effective leakproof inner layer to block menstrual fluid in water, eliminating the need for disposable tampons while swimming. Made of skin-friendly, quick-drying stretch fabric, it fits snugly and stays comfortable under swimsuits. Reusable and easy to clean, ideal for beaches, swimming pools and all water activities. Support custom logo service for bulk wholesale requirements.