Size is not given in the pattern.

Materials:
4oz Patons Quickerknit Baby Wool
Two #10 (3.25mm) and two #9 (3.75mm) needles (Beehive or Queen Bee needles measure by Beehive gauge)
Eight Buttons

Measurements:
With all round at underarm, 19”.
Length at center back 15.5”.
Sleeve seam 4.5”.

Tension:
6.5 stitches and 8.5 rows to one square inch on #9 (3.75mm) needles, measured over stockinette stitch.