Crafted from materials, this hat brim support insert is Ideal for extending the life of your favorite wide-brimmed hats. It offers robust support, preventing the brim from sagging or losing its shape over time. Ideal for security personnel, this insert ensures your hat remains in top condition, even with frequent use. Features -Color:Black -Material:Plastic -Size:15.00X9.50X1.00cm/5.89X3.73X0.39in -Face protection: the tshaped front support effectively protects your face from harsh sunlight and wind, enhancing your outdoor experience -Uv shield: the wide brim design provides excellent sun protection, reducing the risk of uv damage to your skin -Wind resistance: the large brim support design enhances the hat's stability, preventing it from being easily blown away by the wind - structure: the hat support ensures that the hat remains in shape, offering a more defined and stylish appearance -Multipurpose: ideal for security hats and other headwear, allowing for easy replacement and match with different hats Package list: 20 x hat liner