Promotional material enclosed for distributors of your products
[Date] [Name] [Address] Dear [Name] As you may have seen from recent press and radio publicity we have launched a new [product/service] onto the market. It has been received very well by everybody and we are very excited about it's future. In order to help you to promote this [product/service] we are sending you [promotional material] in order to maximize sales and publicity in the coming months. If you require further information or supplies please contact me immediately. Yours Sincerely [Your Name] [Your Title]