Add a splash of color to your next 60's or 70's themed event with our Psychedelic Derby Hats! A fabulous addition to any event, these groovy derby hats will make any event a bit more fun. Whether you're hosting a New Year's Eve celebration, a birthday bash, a retro themed party, or another themed event, our plastic Psychedelic Derby Hats are bound to liven up the look of your guests and your decor! Pass these derby hats out as party favors or incorporate them into your decorations. One size fits most adults. Our Psychedelic Derby Hats are packed and sold in a polybag of 12.