How about a fanny pack for your head? Everything about this product and their website is just so freakin' happy! Love it. There is a zipper in the lid where you can put your license or money .  Cap-Sac's goal is  "To bring people happiness by freeing their hands." ~$14 each & it comes in fun colors, including neons, of course. One size fits most, because of velcro closure. Fun & practical. Perfect for finding your friends at football games & concerts. 

Available at amazon.com