Hand crocheted by Little Lamb in fine 4ply yarn, these little hats are warm and light for on baby's head. The stitch used is the Shell stitch and the hats come in sizes from Newborn to 6 months. Newborn 36 cm 0-3 months 40 cm 6-12 months 42 cm The yarn used is an acrylic/nylon mixture and is machine washable at 40C Please note that shades may differ slightly due to different monitor settings.