Material : 95% Cotton 5% Spandex, Gusset: 100% CottonsizeM-UK( 38-39.5)One size fits all.Fastening: ElasticPacking: 3pcsperiod pants with 3 layers of leak-proof design, as a back-up for days with menstrual cycle heavy flow, postpartum hemorrhage, light incontinence, avoid leakage embarrassments on pants or sheets, you can move freely while working or sports during periodOur menstrual underwear with wide rear coverage and extended protective lining in the front ensure no messy stains on sheets or clothes. These period underwear for women with stretchy and soft waistband and leg openings, no ride up, no wedges, no roll down and binding, do not bite into your skin and cause discomfort. They will stay in place always and prevent leaks