Grey Wool Top Roving Fiber Spinning, Felting Crafts USA (4oz) Grey Gray super soft New Zealand wool top roving Specifications: 26 microns with staple length of 2-3 inches/76mm. Easy to Needle Felt or Wet into animals, jewlery, wool dryer balls, any craft Enjoyed by both beginner and advanced Crafts Simply Stunningly Beautiful to look at and handle!