A common stand - by gift choice due to the variety of contained chocolates , they are most frequently advertised with the classic slogan of '' Say thank you with Cadbury Roses '' in the UK and Australia , and '' Thank you very much '' on television advertisements .
A common stand - by gift choice due to the variety of contained chocolates . 
 They are most frequently advertised with the classic slogan of '' Say thank you with Cadbury Roses '' in the UK and Australia , and '' Thank you very much '' on television advertisements .