New integrated hat washing holder is specially designed for all kinds of baseball caps. The full-enclosed protective structure firmly fixes the hat shape, effectively preventing brim collapse, deformation and bending during machine washing. The hollow breathable frame allows water to circulate freely for thorough cleaning and quick drying. Made of durable material, sturdy, drop-resistant and reusable without deformation. With snap lock design, easy to put in and take out hats. It can be used for washing, drying and storage. A must-have laundry accessory to keep your hats always three-dimensional and stylish.