Put the cash in an envelope, mention your name on the cover and give it in person when you attend the wedding while blessing the couple. There is no proper way to word that, as it's rude to ask for money.And definitely do not put anything about gifts or money on your invitations. It's no longer considered rude to just say, "Give me money," as a wedding gift. The trick, though, is how you go about requesting said cash. Your presence at our wedding is gift enough, but, should you wish to give a gift as well, a cash gift to put towards our honeymoon would be greatly appreciated. That's the most polite way I could think of . A gift letter is a piece of legal, written correspondence explicitly stating that money received isn't expected to be repaid. This article will provide you with some tips and guidelines on how to ask for cash wedding gifts politely and without offending anyone. Do include a polite request for cash gifts in your wedding invitations.