I originally wrote this pattern using Bernat Baby Blanket Tiny, however, I recreated the sweater using other medium weight yarns (4). It works out great with both! I prefer the softness of the Bernat Baby Blanket Tiny yarn!
Note for buying yarn: Color 2 is the sleeve color!
H hook / 5mm
Yarn: 3.5 oz or 4oz/100g
Size 3-4: Color 1: 90 yds
Color 2: 300 yds

Size 5-6:   Color 1: 105 yds
                  Color 2: 315 yds

Size 7-8:   Color 1: 115 yds
                  Color 2: 325 yds

Measurements
Size 3-4:
Shoulder to shoulder: 10.5” wide
Length: 14.5” long
Size 5-6:
Shoulder to shoulder: 11.5” wide
Length: 17” long
Size 7-8:
Shoulder to shoulder: 13.5” wide
Length: 18” long