Vktech&reg; Baby Infant Dual Ball Girls Boys Knit Ear Protection Cap Winter Woolen Hat (Off-white) Size: One size, it has elastic. About 16 x 16cm (H*W) Color: 4 colors, Coffee/Off-white/Pink/Yellow Material: Knitting wool (very warm and comfortable) Fashionable and Sweet in this season! So beautiful, your best choice for your baby recommend for 1-4 years old