【Stretchy Fabric】It contains three panties, 95% refined cotton and 5% spandex, soft texture and good elasticity. Elasticated waist and leg openings will not slide up or off. The fabric of the maternity underwear around the thighs stretches well, won't cut the skin and is odourless. 【Size】 This maternity panties are available in multiple sizes, M is suitable for 45-55kg; L is suitable for 52.5-62.5kg; XL is suitable for 62.5-72.5kg; XXL is suitable for 72.5-82.5kg; XXXL is suitable for 82.5-90kg; suitable for large Most pregnant women use it. 【Adjustable Button Design】Maternity underwear comes with adjustable button design, which allows you to adjust the waist according to your needs. As the waist of maternity panties can be adjusted loosely and tightly according to your needs, you don't need to buy maternity panties again and again. 【Breathable Fabric】These panties have enough spandex to wick away sweat and prevent skin irritation. The fabric has plenty of cotton for a soft feel; the anti-bacterial crotch is lined with breathable cotton to provide the ultimate comfort for women in labour and postpartum for all-day wear. 【Multiple Uses】Our pregnancy panties are suitable for mothers at all stages of pregnancy, as well as for postpartum, C-section recovery, and even non-pregnant women who prefer roomy and comfortable panties.