Hi. Are you looking for a standard-sized card or are you open to different shapes?

Yes, standard size card, the size and medium type/finish is outlined in the brief.

Dear Project owner,

Your project is very interesting and I have submit my design. Please kindly check it and any feedback is really appreciated. Thank you

any update / feedback / changes desired

Hello
As above.
please check & provide feedback / desired changes to make them perfect per your expectations.
Regards

Dear Project Owner,

Please send me your feedback regarding my design.