Hat Cleaner ProtectorSet of 3 pack washing machine cleaner can easily clean baseball cap or trucker style hat and keep them in shape. One Size Fit AllEasy-snap form works on most adults and kids hats. MultifunctionalThis hat washer can also be used as hat rack, cap holder, hat hanger and cap organizer at home or in suitcase. Upgrade MaterialSolid and durable, Lightweight, PE plastic frame resists high heat, for years of use.