Shep's Silver Merino Wool Top Roving Fiber Spinning, Felting Crafts USA (4oz) Silver Gray super soft Merino wool top roving Specifications: 23 microns with staple length of 2-3 inches/80mm. Spin into yarn and Easy to Needle Felt or Wet into animals, cover over soap, jewlery, wool dryer balls, any craft Enjoyed by both beginner and advanced Crafts- Soothing to handle and work with Simply Stunningly Beautiful to look at and handle!