The hairband is made of soft elastic, so it won't bother your baby. Perfect for special occasions like birthdays and anniversaries! Size: Approximately 38cm (head circumference) ◎ Immediate purchase is welcome without a comment. Please feel free to ask any questions or make requests in the comments. ◎ This is an imported product. We check each item before shipping, but please understand that the quality may be less refined compared to Japanese products.