Polyester. The size of this product is small. It is recommended to buy a larger sizeItem Includes: Dress with vest sewed on the dress, Bandana and Hat. Played the role of cowgirl perfectly.Perfect for Halloween parties, Pretend play, Birthday parties or Stage & Dance Wear.Important: Clothing sizes are different from clothing sizes. Please use the size table in the product picture to choose the right size for your child.Hand Wash Cold. Line Dry. Do Not Bleach.