1. The function of this invitation letter is to advertise your organization's products and increase sales. It strengthens the bond between the company and its customers. Such events also help in attracting new clients.
  2. Make the beginning interesting to get the reader's attention.
  3. Invite the reader to attend the event. Offer a lucrative incentive too.
  4. Mention all the necessary details, like date, time, and place of the event.
  5. Tell the reader that you expect him/her to attend the event.


[Senders Name]
[Address line]
[State, ZIP Code]

[Letter Date]

[Recipients Name]
[Address line]
[State, ZIP Code]

[Subject: Normally bold, summarizes the intention of the letter] -Optional-

Dear [Recipients Name],

Thank you for dropping by our booth at the recent Academic Helpers Expo in Westchester. It was such a huge success. Rainbow Educational Tools and Supplies is fortunate to have taken part in the event. We are proud of the fact that we have been serving the public for a good 30 years already.

As expected, there were lots of people during the expo. You may not have had enough time to take a look at our new and more outstanding products.

With that in mind, I have included our new catalogs herein. Please take time look at our products. I'm sure you will find something that fits your needs and your style. If you find something you like, just fill out the enclosed form and send it to the address indicated on this letterhead.

We would also like to inform you that our Expo Discount runs until May 30th. So place your order now and experience high functionality with our items.


[Senders Name]
[Senders Title] -Optional-

[Enclosures: number] - Optional -
cc: [Name of copy recipient] - Optional -