From website:

NL6 - FELTED (FULLED) MITTENS

The finished project is a warm dense medium weight mitten. The mitten is knit large and loose using sport weight and double pointed needles. Felting is made easy in the washing machine.

SIZES: Child 1-5yrs (child 6-10 yrs, med adult, large adult)

YARN: Sport weight, 50 -150 gms of 100% non-washable wool

NEEDLES: Double pointed #7

See also NL15 Felted (Fulled) Gloves