Prevent your hat from losing its shape during the season as you keep it preserved with the Markwort® Ball Cap Buddy. Safe to place in your dishwasher or washing machine, the Ball Cap Buddy can be used for standard or duck-billed hats for consistent support. Product Features: Strategically shaped design takes the shape of your hat to maintain its form Able to be used for standard or duck-billed hats Dishwasher and washing machine safe