These are 50gm balls! The classic and renowned REGIA sock yarn. Four single plies are twisted together to create the ideal weight and durability for hand-knit socks. Two 50 gram skeins will knit a standard pair of adult sized socks. Like all REGIA yarns, it wont felt, and offers long-lasting wear and great shape retention. Choose from a wide range of solid and slightly heathery colors. Machine washable up to 40 C (100 F) and can be machine dried. 75% Wool 25%Acrylic, 231yds, 7.5sts=1inch, US-1-3