For thia King Cole pattern you will need:

Dress

To fit bust 32" - 3 100g balls of King Cole Haze
To fit bust 34" - 3 100g balls of King Cole Haze
To fit bust 36" - 4 100g balls of King Cole Haze
To fit bust 38" - 4 100g balls of King Cole Haze
To fit bust 40" - 5 100g balls of King Cole Haze
To fit bust 42" - 5 100g balls of King Cole Haze

Sleeveless Cardigan

To fit bust 32" - 3 100g balls of King Cole Haze
To fit bust 34" - 3 100g balls of King Cole Haze
To fit bust 36" - 4 100g balls of King Cole Haze
To fit bust 38" - 4 100g balls of King Cole Haze
To fit bust 40" - 5 100g balls of King Cole Haze
To fit bust 42" - 5 100g balls of King Cole Haze

Also, knitting needles 3.75mm and 4mm.
8 buttons for cardigan.