SANRIO Hello Kitty Hat Cap Size: 57.5cm Adjustable at the back. Brim length: Approximately 7cm (center) Please note that these measurements are approximate due to being taken by a layman. Will be lightly folded and shipped via post. There is a possibility of some shape distortion, so please reshape it before use. Although unused, this item was purchased in a store and stored at home, so please understand this before purchasing.