It is a milk chocolate, so it is on the sweeter, milkier side.
Cadbury dairy milk silk bubbly has the same smooth flavour that you would expect from Cadburys silk with the added twist of bubbles (completely non-flavour altering).
It is a milk chocolate, so it is on the sweeter, milkier side.
The bubbles simply make it a little bigger to bite into, a little airier when you are chewing.