Gotz Doll Sized Bike Helmet for 16.5" - 19.5" Dolls This doll sized cycling helmet fits a wide range of dolls including the Gotz 16.5" Maxy Muffin and Aquini's, the 18" Precious Day Girls and the 19.5" Happy Kidz and Hannah dolls. Safety on the go for you and your doll! Also fits other similarly sized 18" dolls. It has the Gotz classic floral design on the outside with the deep pink coloured straps to clip under the chin. A miniature of the real thing! Makes a great compliment to the Gotz bicycle seat #3401927 (sold separately)