Baseball caps and other hats will develop mold and fungus in high humidity environments. Protect your hat collection and your health from mold spores development in Eureka Dry Tech humidity controlled Auto Dry Box product.
Many museums has utilized Eureka Dry Tech's custom designed moisture & humidity controlled display cabinet to protect historical artifacts. Here's one of their stories.
Eureka Dry Tech provides moisture control protection preventing fungus, oxidation and other moisture damage to cameras and lenses for photographers all over the world. This article is about a Nikon collector.