From website:

NL8 - FELTED (FULLED) SLIPPERS

This slipper is dense and thick after being felted in the washing machine. There are no seams and the project is quick to knit with bulky yarn and double pointed needles.

SIZES: Child 1 -2 yrs, child 3 -5 yrs (sm adult, med adult, large adult)

YARN: Bulky, 100 -300 gms of 100% non-washable wool

NEEDLES: Double pointed sz 11

Published 1994

See also NL10 Felted Scuff