1pc Mini Doll Hat. Reference 15cm doll head. 1.3--1.5cm, and the hat depth (h) is about 2.2cm. 1.8-2.1cm, and the hat depth (h) is about 2.5cm. 2.2--2.5m, and the hat depth (h) is about 3cm. 2.8-3.1cm, and the hat depth (h) is about 3.5cm.