For this pattern you will need (100g Balls):

Matinee coat
To Fit Chest 14"  - 1 Balls
To Fit Chest 16"  - 2 Balls 
To Fit Chest 18"  - 2 Balls

Needles Needed: 4mm and 3.25mm. 
Cable Needle, Stitch Holder
3 Buttons.