Add text area in product detail page

[rajdavinder]

Hi ,

 

I have searched lot for contribution to "Add text area in product detail page" where customer can add his specifications for each product before buy that product , so that vendor know which special feature customer require in his product .

The text Added by customer for each product will also be show in invoice mail to vendor with order

 

Please help me out ,Its very urgent

 

Thanks in advance ,

 

Raj