Light and breezy, Bamboo Pop is a machine washable 50/50 cotton/bamboo blend that makes great warm weather projects for adults and kids. 100g/292 yds 50% bamboo, 50% cotton #3 - light knit 20 sts x 26 rows - 4" on US Size 4 / 3.5mm crochet 16 sts x 18 rowa = 4" on US Size G-6 / 4mm machine wash warm, do not bleach, dry flat, do not iron