If you dont know the size of your underwear, you can order it by weight. You can also order it according to the size chart. âIncontinence Issues? âHeavy Period Flow? âLeaks & Stains?After my first pregnancy, I couldnt laugh or sneeze for a long time without peeing myselfâŚI even had a problem wetting the bed.. and the most inconvenient was my leaks throughout the day at work⌠sadly nobody knew it but me.ââIts called incontinence and its actually really common for women of all ages and could be caused by any of the following: How does Leakproof Panties Work? Our panties come with three layers of leak-proof protection material: Close to skinComfortable Fabric Layer We make our panties of 95% cotton and 5% spandex to give you ultimate comfort, dry, with Maximum Coverage MiddleHygroscopic and Leakproof Layer Latest development of leak-proof materials,Quick absorbs 30-50 mL of liquid and lock them in,keep your panties dry at all the day! Outermost LayerBreathable Antibacterial Layer Panties fromodor-suppressing textilethatkeeps all your smells from spreading.24 hours strong antibacterial,close protection, away from itching Washable & Reusable You dont need to worry about replacing your leak-proofpantiesbecauseyou can machine-wash them as many times as you want without losing their effectiveness.