Adult Unisex Stingray Fancy Dress Ocean Costume. Swim with the fishes of the deep blue sea with this fantastic sting ray comical fancy dress costume. Brilliant for any stag do. This costume is complete with a silver tabard in the shape of a stingray with your head poking through were the mouth of the sting ray would be. Swim your way to your night out. This costume comes in a standard one size.