When did dressing up in costume get so delicious this pepperoni pizza slice shaped tunic costume is pure yum! one size fits most adults. For more than 30 years, Forum Novelties has been a leader in the costume industry, as well as the joke, trick, magic, and novelty gift item business. Look to Forum Novelties for all of your Halloween, luau, Christmas, Mardi Gras, and St. Patrick's day supplies. From funny to frightening, Forum has it all. note: costumes are sized differently than clothing; review the Forum size Chart and reviews to make the best choice and considering the next size up if you are at the top of the range.