Perfectmaze 12" x 10" Infant Child Fairy Princess Butterfly Wings Costume -- Black Size: 12" x 10" Wings are made of wire with nylon (hosiery material) stretched over it, feather accent at the back, and two elastic straps for wearing. made of soft nylon fabric with a wire wing that allow the wing to be bent and stretched in different shape included rhinestone accents, glitter and feather in the middle of the wing as decoration