The Museum showcases a collection of over three thousand pieces, ranging from clothing to accessories, with its core being the collection of Raffaele Piraino, painter and teacher of History of Costume.

Exhibited are examples of ecclesiastical, children's, military and gala attire, as well as traditional costumes from Mediterranean countries and wedding trousseaux. The collection gathers materials dating from the 18th century to the first half of the 20th century, predominantly of Sicilian origin.