Knitting for Olive Pure SilkKnitting for Olive Pure Silk is a 4 ply fingering weight exclusive yarn of pure bourette silk (raw silk) produced from the fibres collected from cocoons after the chrysalises are allowed to mature into moths and escape. The silk worms are not killed in the process as they are in conventional silk production. The yarn is also OEKO TEX certified. Each cake of Pure Silk contains 50 g of yarn and has a length of approximately 250 m. Silk has extensive