Officially Licensed Light up Sound Activated Star Trek T-shirt

• Requires 4 regular AAA batteries (not included),
• Size Guide T-Shirt Chest Sizes Small 36-38" Medium 39-41" Large 42-44" XL 45-47" XXL 48-50" XXXL 51-52"
• Battery pack conceals inside t shirt. T shirt is presented in a Star Trek Box.