One size fits all. The bow is made of faux leather and the band is made of super soft high, quality nylon. The band is super stretchy, so it will fit any head without worrying about leaving a mark on your baby's head.
The newborn bow is 2.25" wide.
The 6+ months bow is is 3.5" wide.
Product color may slightly vary due to photographic lighting sources or your monitor settings. Due to the nature of the pattern material, product may vary from the one pictured.