These super absorbent period underwear were designed to be leak-proof to keep you dry from day to night, up to 10 hours of protection. Made with Custom Natural Fiber Blend: We use high quality custom designed blend of regenerative hemp fiber, organic cotton, and tencel (Eucalyptus) fibers. Mid-Rise Fit with Sexy Side Panel Detail: Perfect fit for all shapes and sizes with mesh side panels and scallop trimmed edges Super Absorbent is Standard: One pair of period underwear can hold up to 3 regular pads or 4 regular tampons worth of blood. Reusable and Beyond Sustainable: Simply machine wash cold and air dry to use each and every cycle. Safe for Every Body: No PFAs, SAP, titanium dioxide, chlorine, bleach or harsh chemicals. Period Underwear Composition: - Body: 38% Hemp Fiber, 32% Organic Cotton, 25% Tencel (Eucalyptus), 5% Spandex - Side Panels/Trim: Nylon - Inner absorbent: Recycled Polyester