What a great party item! Our black and pink Birthday Fabulous Fedora can be worn long after the birthday party is over. The interior opening measures about 8" front-to-back, and 6.25" side-to-side. The hat stands about 4.5" tall, features a black and pink plaid pattern with gold accents, and removable birthday button reading "another year of fabulous!". 1 size fits most.