【About size】Menstrual underwear is different from ordinary underwear. It is recommended that you buy a size larger than your usual size. For example, if you usually wear a size S, please choose a size M.With 4 layers of protection,period underwear for women heavy flow,it can absorb up to 10 teaspoons (50ml) and reach the hips. No smell, sweat or leakage.Our Postpartum Underwear Has a wide rear panel for extended absorbency.Well made and holds up to considerable wash and wear. Panties stay in place when you move and sleep. Comfortable to wear with most bottoms.Recommended use:menstrual cycle, postpartum hemorrhage, urinary incontinence, poor bladder control, etc. When menstruation is very severe, it needs to be used with sanitary napkins.No chemicals are added, machine washable and low-temperature drying, saving money and environmentally friendly.An affordable option if you need absorbency but don't want to spend a premium on it.Pay attention to customer satisfaction-if you encounter any size errors/defects, please contact us through Amazon.