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 			<p>I will edit the list as needed to accommodate any mailing restrictions. I will also re-roll if I am placed first on the list.</p>
 
 			<h3>card guidelines</h3>
-			<p>4x6 inches/10x15 centimeters minimum size recommended so there is space for everyone to sign. Must not require an unusual envelope e.g. square or similar.</p>
+			<p>4x6 inches/10x15 centimeters minimum size recommended so there is space for everyone to sign. Must not require an unusual envelope e.g. square or similar. Must meet letter rates so nothing too heavy.</p>
 
 			<h3>address privacy</h3>
 			<p>the only people who will see your address are:</p>