Exquisite Lace from West Yorkshire Spinners - WYS. 80% Falkland Wool 20% Mulberry Silk, 800m (875yds), 100g. Falkland Wool is one of the world’s purest fleeces and perfectly complements the Mulberry Silk which is the highest quality silk available for purchase. The finished result is one of the most luxurious lace yarns on the market.