Washing your cap used to mean the cap was guaranteed to lose its shape - no more! With this Ball Cap Washer, you can easily clean, dry, shape and store your favorite baseball caps and hats. Simply place your cap inside the Ball Cap Washer, and youre ready to wash your hat in the washing machine, or on the top rack of the dishwasher. After washing, let the cap dry in the Ball Cap Washer, and it will easily retain its natural shape. No more ruined baseball hats! Durable Plastic Construction. Assembly level/degree of difficulty: No Assembly