This hilarious boner the caveman costume proves that while mankind has come a long way from our primordial ancestors, not all of these changes have been for the best! The six piece costume set features; vest, shorts, detachable bone, headband, belt and a phenomenal piece of manhood. This funny costume is great for stag dos or for anyone looking for a hilarious fancy dress costume guaranteed to raise a few eyebrows and start a few conversations at any party.