NWT - Menstrual Panties 3-Pack - DID NOT TRY ON (Sorry, not being weird - just want to make sure everyone is aware of this detail). Colors: Black w/ Pink, Blue, and Yellow piping. Fabric Type: Main fabric: 95% cotton, 5% spandex. Waterproof layer: polyurethane laminate (PUL) fabric. Crotch area: 100% cotton dark lining. More Reliable Protection: Absorbent area of these period underwear for women stretches fully up the back to where the waistband starts and holds up to 50ml or 4 regular tampons’worth of flow, which provides enhanced protection and particularly ensures no leakage when you toss and turn in the sleep overnight. All-Day Comfort: These period panties look like regular hipsters, featuring a comfy full-coverage fit. Made of cotton and spandex blend, these period panties for women are skin-friendly and breathable for all-day comfort, and there is also no weird sound from the fabric as you move Easy to Care: These leak proof underwear for women are machine washable and reusable. Just simply machine wash after rinse by water, and tumble dry low. These menstrual underwear for women have super absorbency and are leak-proof for up to 6 hours, but it is necessary to be replaced and washed in time.