You will need a set of double pointed needles size US 3 (3.75 mm) for the vest only.

Finished measurements:
Chest circumference (both): 18(19.75, 21.25, 22.5, 23.25, 24)“ 46(50, 54, 57, 59, 61) cm
Finished measurements (both): 9.75(10.75, 11.75, 12.5, 13.5, 14)” 25(2, 30, 32, 34, 36) cm
Sleeve to armhole (pullover): 6.25(6.5, 7, 8, 8.75, 9.75)“ 16(17, 18, 20, 22, 25) cm

Yarn used:
Sirdar Snuggly DK
Pullover
Shade 514 Squirrel - 2(2, 3, 3, 3, 3) balls
Vest
Shade 510 Rosebud - 2 balls for all sizes