This upgraded cap washer is the perfect size for cleaning both adult's and children's hats. Its tuff shell protects bills and keeps brims in their original form. Will keep your hats safe and secure while traveling or in storage. It is recommended for the best results to wash in the dishwasher. It will extend the life of your hat washer. The new 4 sided clip design is easier to lock and unlock. It holds the hats firmly in place during the wash and during travel. Ultra-sturdy plastic.