Whaline 5 Pieces Knit Headbands Ear Warmers Head Wraps for Women Girls

Will these fit a 4 year old?

Small? Ad says only 8 inches that stretch - if they stretch to double their size thats only 16 inches - isn't the average head size 22 inches?

Asking the maker: What material is this made of???????

Do you sell only the ones with pearls ?