Looking to prevent sweat stains while also getting a better fit for your hat? These highly absorbent inserts can easily applied to any of your hats in seconds! They'll keep sweat from your eyes whether you're wearing your hat for a night of dancing, or relaxing at the beach on a hot day. They're made of a soft, lightweight, and comfortable polyester that can effortlessly be used and replaced with any type of hat, making it a must-have for any hat wearer!