Many hat boxes use a full zippered top or zippered cover that helps block dust, dirt, and moisture to protect hats during storage or transport.
Some organizers include a transparent or clear side window so you can check contents without opening the box.
Many hat bags fold flat for storage and include carrying handles, removable shoulder straps, and a trolley sleeve for attaching to luggage.
The hat boxes and bags are designed to fold flat when not in use for space-saving storage; some are described as compact enough for closets or luggage.
Clean by wiping the surface with a damp cloth and spot-treating stains as needed. Some descriptions also note gently ironing felt boxes to remove creases.