Unity is a mix of high quality cotton, linen, and bamboo fibers combined with wool for a touch of loft. A unique blend with an artisanal feel that's a pleasure to work with! 240m (262yds) and 100g (3.5oz). 36% Wool, 28% Cotton, 18% Linen, 18% Bamboo. Hand wash, dry flat. 5 balls/bag. The recommended knitting needle is 4.0mm (US size 6) = 20 sts x 27 rows = 10cm (4″) in ST st. The recommended crochet hook is 4.0mm (US size G-6) = 18 sc x 20 rows = 10cm (4″). Remember to ALWAYS check tension/gauge before beginning your project.