Hi Respected Sir/Ma'am

I hope you're fine and doing great!

Please review the designs and let me know how are they,

I hope you'll love them.

And please don't hesitate to ask if you need any changes

I'll be waiting for your valuable feedback

Thank you :)

(In case you don't like any of these, Just let me know I'll go with a different approach)

Dear sir,
possible feedback on my design #28156824 would be much-appreciated .
Regards.