He may be cute and charming by day but he s a blood-sucking terror by night. You better sleep with one eye open and pray that your bouncing baby boy doesn t prey on you tonight. This white shirt with attached black vest with gold chain and blood-trickling fiber optic lights reversible cape with black on one side and red with black bats on the other includes a stand-up collar and black slacks that s a sight for sore necks. Size: Medium. Includes: Shirt Vest Cape Pants. Does not include shoes or make-up. The Light-up costumes operate with Fiber Optic technology. Fiber Optics are tiny threads that contain the lights. Each Light-up costume contains an inner pocket that contains a tiny plastic battery case pack with batteries inside. The lights are turned on by a switch on the plastic battery case pack. Material: 100% Polyester. Care Instructions: Wipe clean.