Features: 95% Cotton, 5% Spandex, Hand Wash Only [Perfect for All Women] - Our women's menstrual underwear are designed for use during menstrual cycles, postpartum discharge, urinary incontinence, and bladder leakage. These high-waist cotton menstrual underwear offer moderate abdominal support and are suitable for postpartum recovery. They help prevent stains on clothing or bedding and provide comfort throughout the day and night. [High-quality Fabric] - Made from 95% combed long-staple cotton and 5% spandex. Features a leak-proof lining constructed with cotton, polyester fiber, and a breathable waterproof PUL membrane. [Longer and Wider Protection] - The leak-proof layer is designed with extended width and length, providing full front-to-back coverage for increased comfort and security during daily activities or sleep. [Highly Absorptive & Leak-proof] - The specialized leak-proof fabric offers strong absorption, breathability, and water resistance, while remaining easy to clean. The outer layer is made of premium cotton, offering a soft, stretchy, moisture-wicking, and breathable fit. [Extra Protection] - On heavy flow days, when used with a pad, tampon, or menstrual cup, this underwear provides reliable backup protection against leaks. If your primary product overflows, these period panties offer added security and peace of mind. Package includes: 1 or 5 x Women's Briefs Note: 1) This product is intended as additional leak protection and should be used with a pad, tampon, or menstrual cup. 2) This underwear helps protect against overflow incidents from pads or tampons.