This T-shaped hat brim support insert is an essential accessory for anyone looking to maintain the shape and structure of their wide-brimmed hats. It is particularly useful for security hats, offering robust support and a professional appearance. Easy to use and , this insert is a must-have for extending the life of your hats. Features -Color:Black -Material:Plastic -Size:15.00X9.50X1.00cm/5.89X3.73X0.39in -Effective face protection: the tshaped front support design effectively shields your face from sunlight and wind, ensuring comfort and safety. -Enhanced sunshade: the wide brim design offers sun protection, reducing the risk of uv exposure. - design: the large brim support design increases the hat's stability, making it less likely to be blown away by the wind. - shape: the hat support structure helps the hat retain its shape, ensuring a more structured and appealing look. -Versatile application: suitable for security hats and various other headwear, providing easy replacement and versatile use. Package list: 20 x hat liner