This is a small looped boucle (boo-clay) yarn. If you want to dye your own doll hair this is a wonderful yarn for just that purpose. It's also great
Ashford Bouclé Merino - Undyed Tribe Yarns, London - tribeyarns
For hand-dyers Selected Yarns
Cozy Merino Boucle Base
Adele´s Mohair
Pure Banana Boucle Heavy Laceweight Yarn, 100gram Skein, Undyed
Ashford Merino Bouclé Brushed Bulky Yarn
de Bonne Facture Boucle Wool Crewneck Knit Sweater - Undyed Taupe S
For hand-dyers Selected Yarns
Boucle Yarn