This loves pattern is by Simply knitting and uses double knitting wool. It would suit  Drops Merino Extra Fine , Soft Tweed or Drops Muskat cotton. The pattern fits children aged 1 to 6 years and requires a pair of 4mm knitting needles. Amount of yarn required   Age 1-2years 2-3years 3-4years 4-5years 5-6years   Size 18-20” 20-21” 21-22” 22-23” 23-23”   Actual Size 21” 23 24” 25” 26” Yarn             Merino ex fine , Soft Tweed or Muskat 50g   4 4 5 6 6