Seriously, I hope you are prepared because the 76% acrylic 14% wool 10% cotton Transformers Autobot Fiber Optic Snapback Cap...CHANGES COLORS! That's right folks...changes colors. Familiar with fiber optics? Good. Familiar with lithium CR2032 batteries? Excellent. The adjustable Transformers Autobot Fiber Optic Snapback Cap may actually be a Robot in Disguise come to think about it...it knows that the color strobe effect will pretty much distract anybody and you'll probably be brought up on witchcraft charges. Probably.