This Halloween t-shirt glows in the dark! Great for couples, this version reads 'She's My Boo' in a cool bone style font that is perfect for Halloween. Check our Amazon store for the matching 'He's My Boo' version. To charge this t-shirt, simply expose to a bright light source for 10-15 minutes. For best results, use a bright light such as an LED or incandescent bulb. Sunlight provides best results. We find florescent bulbs do not work best to charge the glow effect. When properly charged, shirt will glow for aprox. 4 hours. This matching half is machine washable in warm water inside out. Be a hit at the Halloween party this year in this matching t-shirt that glows in the dark. Super soft light ring spun cotton t-shirt.