Iron Muffler Hat - Doctor Yellow There is some slight fuzzing, but no major fraying is visible. It has been used only once or twice, but some time has passed since it was purchased. We hope you will understand and purchase it. Material Composition: 80% Acrylic, 20% Polyurethane Care Instructions: Hand Wash Only Closure Type: Elastic Fit Type: Stretch [Features] Can be used depending on the situation as either a [hat] or a [muffler]. [Head Circumference] 50.0 - 54.0cm (very stretchy) [Hat Size] Height 19.5cm x Width 20.5cm [Muffler Size] Length 49cm x Width 20cm [Weight] 60g [Material] 80% Acrylic / 20% Polyurethane [Class 923] Shinkansen Electric Track Inspection Vehicle, Type 923 Doctor Yellow