There is no size information on the leaflet.

5 ounces of yarn for short sleeves, 6 ounces for long sleeves.
Cotton wool for shoulder pads.

Yarn should probably be sportweight.
Sportweight yarn, short sleeves: 420 m of yarn
Sportweight yarn, long sleeves: 510 m of yarn
Fingering yarn, short sleeves: 560 m of yarn
Fingering yarn, long sleeves: 680 m of yarn