Light and breezy, this 50/50 cotton/bamboo blend makes great warm weather projects for adults and kids. A big seller! 266m (292yds) and 100g (3.5oz). 50% Bamboo, 50% Cotton. Machine wash warm, dry flat. 5 balls/bag. The recommended knitting needle is 3.5mm (US size 4) = 20 sts x 26 rows = 10cm (4") in ST st. The recommended crochet hook is 4mm (US size G-6) = 16 sc x 18 rows = 10cm (4").