This Halloween t-shirt glows in the dark! Great for best friends and couples, this version reads 'I'm with Spooky' in a cool bone style font that is perfect for Halloween. Check our Amazon store for the matching 'I'm with spooky' 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. 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.