You will need stitch holders.

Finished measurements:
Chest circumference: 21.25( 22.5, 23.75, 24.75)“ 54( 57, 60, 63) cm
Finished length: 13.5( 14.5, 15, 15.5)” 34( 37, 38, 39) cm
Sleeve seam: 7.5( 8.75, 9.75, 10.75)“ 19( 22, 25, 27) cm

Yarn used:
Hayfield Baby Blossom Chunky
Shade 351 Bluebell - 2(2, 2, 3) balls