Moms and teens, these Demifill period panties are such a game-changer for young girls starting their menstrual journey! Made from 95% cotton with 5% spandex, they're super soft and breathable while providing just the right amount of stretch for comfort. The special lining helps prevent leaks and stains, which is so important for school days when accidents can feel embarrassing. Now, it's important to understand these are designed to be used WITH sanitary napkins or tampons - they're not a replacement but rather an extra layer of protection that gives young girls more confidence. The sizing for 16-18 years is accurate, and the brief style provides good coverage without being too bulky under clothing. I appreciate that they're machine washable and air dry well - the lining material cleans up much easier than traditional fabrics. For teens who are nervous about their first period or dealing with heavy flow days, these panties provide that extra peace of mind. They look like regular underwear too, so there's no awkwardness in locker rooms or sleepovers. The quality feels durable enough to last through multiple cycles, and they come in neutral colors that work for everyday wear. Definitely a thoughtful solution for helping young women navigate this new stage of life with more confidence and less stress!