The lower right side of the back needs to be white to allow for address and stamp. If you’re not sure how to properly design the back to allow for address and stamp please research it!

Design Submitted .May I get correction on Designs!

This is not 4x6

May i get the post card template..is that you mean 4 inch wide and 6 inch height. In the description it is mentioned 6 inch wide and 4 inch height..

is that 4X6 vertical post card?

4x6 horizontal.

Pictures added as attachments.