Children's Alys Black Velvet Tie headband
This variant is currently sold out
Every Pretty Little Prop Headband is designed so they are stretchy this way the headband will fit perfectly.
Sizing doesn't have to be so specific because you can re-tie to suit you
Newborn is 12 inches
Toddler is 14 inches
4-10 is 17 inches
Wash at 30/delicate wash, do not tumble dry.