Rose the Hat LGBT Characters Wikia Fandom The Rosa Hat Rose The Hat Inspiration The StephenKing.com Message Board Rose Hat The Little Wedding Company Rose The Hat Rose the Hat Doctor Sleep T Shirt TeePublic. The Rosa Hat is one of a kind hat bringing elegance to your outfit. It is knotted with sewn genuine shell pearls and pink crystals, decorated with large soft silk flower. it is made of smooth toyo paper. Toyo is constructed from straw that originates from shellacked rice paper in Japan. This delicate material is ideal for adding an elegant touch to any outfit meanwhile protecting you from the summer rays of sun. *Please be advised to handle with care. Do not wash or rinse. We recommend protecting the Rosa hat from oil, makeup, sweat and any other elements that can hinder the overall construction and material. All materials are imported from Italy.