Milford Mercer is a 6 ply crochet yarn available in 22 shades. Available in 20g balls across 5 weights : size 10 (104mts), size 20 (156mts), size 30 (183mts), size 40 (198mts) and size 60 (276mts). White and Ecru available in all weights, all other colours available in size 20 and 40 only.