Sizes:
0/3 size – approx. 9 cm (3.5 inches)
3/6 size – approx. 10 cm (4.0 inches)
6/9 size – approx. 11 cm (4.5 inches)

Materials:
I recommend one of these wools:

• Alize Baby Wool (40% wool, 40% acrylic, 20% bamboo) 191 yds /175 m/1.76 Oz/50 g,
• OR Drops Baby Merino (100% merino) 191 yds /175 m/1.76 Oz/50 g
• OR your favorite yarn of this standard weight: fine / 5-ply / Baby / Sport
• needles: straight knitting needles size 2.5 mm set of 2 or size to obtain gauge;
• ribbon for ties.
• tapestry needle to sew the seams.