Calling all sock knitters! These self striping sock yarn kits from Urth Yarns come with 2 individually pre-wound 50g balls - allowing you to knit two matching striped socks with ease. Each ball weighs 50g and contains 200 metres (220 yards). The fingering weight yarn is 75% extra fine merino wool and 25% nylon and is machine washable. Peek at those beautiful and bold colour combinations! You won't want to stop knitting as you watch the colours progress!In partnership with Trees For The Future, Urth Yarns will plant a tree for every post on social media of your sock progress if you use the hashtag #knitoneplantone. How amazing is that?! Please consider when ordering that as this is a hand dyed item, there may be variations in each batch. Needle Size: 2.25mm-3.25mm, US 1-3 Fibre Content: 75% Merino 25% Nylon Weight: 100 grams - 2 x 50g Length: 400 metres Tension: 7 -8 stitch per 1" Care Instructions: Machine Wash