These women’s menstrual bikini swim underwear feature a 4-layer leakproof functional lining to offer secure protection during periods. Adopted fine stitching craftsmanship, the stretch swim fabric fits closely to the body without shifting in water. Fully washable and reusable, it replaces disposable hygiene products and brings eco-friendly convenience. Suitable for swimming pools, beach vacations and various water sports. Spanish keyword added for Latin American market. Custom logo and bulk orders are welcomed.