Luxury 100% Soft Lambswool Yarn Thick Quick Yarn Premium Soft Yarn, Dark Silver 100% Soft Australia Lambswool for knitting, crochet and crafting. Weight: 3.5oz/100g. Perfect for extra warm sweaters, jackets, vests, slippers and hats. It has the feel, warmth and softness of wool with the easy care of acrylic. Machine wash; Initial water temperature should not exceed 40C or 105F. It is available for 4-mm knitting needle and 3.5-mm crochet hook.