To activate your Blue Afro Wig with Flashing LEDs, remove the plastic pull tab from the battery pack which preserves the power during shipping. Press the button on battery pack once for a still light functions & twice for blinking. One size fits most. LED Colors: 9 Blue Afro Wig with Flashing LEDs includes 3 replaceable AG13 Batteries. Packaging: Individually wrapped, poly bag – 48 pieces per carton.