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 92% nylon and 8% spandex to give you ultimate comfort, dry, with Maximum Coverage MiddleHygroscopic and Leakproof Layer The newly developed leak-proof material that quickly absorbs about 30ml of liquid and locks it, equivalent to 2-3 standard tampons or sanitary napkins. And keep your panties dry at all the day! Outermost LayerBreathable Antibacterial Layer Panties from odor-suppressing textile that keeps 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-proof panties because you can machine-wash them as many times as you want without losing their effectiveness. THE PLANET. MONEY TOO. TELL ME AGAIN -WHY GO LEAK PROOF? Its simple; there isnt a better undie product on the market that gives you the kind of peace of mind our underwear can give.