I get a lot of questions regarding the proper wording for response cards. There are a number of wording variations, but I've found it best to use the standard format. You want to encourage people to mail back their response card so making it as easy as possible will hopefully encourage them to
sign it,
check the appropriate line and
stick it in the mail!
If you are having a dessert or buffet style reception and don't require a firm headcount then I recommend using this:
However if you are having a seated dinner or your venue is limited on space, and you have to have a firm number, then I suggest this:
This way if your invitation was addressed to a family of 5 but only 2 will be able to attend the wedding then they can indicate that on the "number attending" line.
And remember..... ALWAYS, ALWAYS send in your response card! The person who invited you spent extra money and effort to include the response card, and as a host it is extremely helpful to know how many to expect.
If you wanted to take it even a step further you could include an encouraging note to the parents of the bride on your response card! We all love to get hand written notes in the mail!