Dear Project Holder
Pls provide your valuable feedback for my designs.
As you can understand no project can be successful without timely feedback & continuous interaction, thus we request you to provide your feedback.
Waiting for your feedback
Thank you

Hi project owner. I'm interested in your project. Please don't close this contest before the deadline you've set. I will submit my design for your project within the next 2x24 hours at the latest. Thank you.
Regards.

Hello Project Owner,
Can you please check my designs & provide me your valuable feedback.
Thanks