[Function and Use] It is used for cleaning and storing hats. When cleaning, you can put this device into the washing machine or dishwasher without worrying about hat deformation. It is also useful to protect hats in daily life and business travel. With this product, you don't have to worry about hat damage. (Black) [Keep the hat in shape.] The unique design is stylish. The gap of 10cm on both sides of the peak effectively maintains the shape and perfect curve of the hat. Its adjustable size is suitable for all kinds of flat top and roll top hats. Your hat will keep its shape and appearance under the influence of these design elements. [Reinforced structure] The 6-button design provides a reinforced and balanced structure for this product. Whether in terms of cleanliness or organization, it can always maintain its shape and firmness. [High quality materials] High quality eco-friendly materials are used. The durable and flexible plastic can keep the shape of the hat in any situation and extend the service life of the hat.