On circular needles or straight needles

Sizes
3-6-12-18 months

Materials
Yarn: 100% cotton, Sesia Bio Sunny: 1-2-2-2 x 50 g (125 m)
Knitting needles size 4 mm
Crochet hook 3.5 mm

Stitches used
Stockinette stitch in the round: knit all rows
Stockinette stitch: 1 row knit, 1 row purl