From the website:
Tuffy – 80% Wool / 20% Nylon, 2 Ply
17sts = 10cm(4 “) on 5.0mm (US8) needles
215 yds/skein 14 Shades. Put up in 4 oz. Skeins
This yarn is suitable for: Knitting socks, mittens, gloves, sweaters, vests, scarves or hats Weaving blankets or upholstery material Note: This yarn is suitable for knitting all patterns designed for Briggs and Little Heritage
Hand wash and dry flat.