Dance the night away with four skeleton pals who glow in the dark!  It's a perfect spooky season hat.

This baseball cap is embroidered with glow in the dark thread that appears white in daylight and glows green in the dark.  The glowing thread is activated by being exposed to bright light.  There is an adjustable strap with a buckle on the back.
 
Also available with pastel pink thread that glows green