Product Details "These large fairy wings are made of a beautiful iridescent fabric and lined with shimmering glitter. Once the sun sets, turn on the LEDs to activate its ethereal glow. Adult Light-Up Iridescent Fairy Wings product details: * 37.4in wide x 32.25in tall * Elastic straps * Metallic details * Iridescent finish * 30 white LEDs * 2 lighting modes: steady and twinkle * Includes 2 CR2032 battery * Organza, lurex, and electronics * One size fits most teens and adults * Spot clean only