Formal sponsorhip proposal letter Formal business letter sample Formal business letter template Formal invitation letter sample by Expert Writer - January 12, 2016February 7, 20200 MM/DD/YYYY Contact Person Professional title Company Name Address City ZIP CODE, STATE Subject: Sponsorship proposal Dear [Last name of the contact person]: I am contacting you on the recommendation of my colleague (Contact Name) concerning a unique sponsorship opportunity for (Company). On January 30, 2015, Relief International of [City name] is about to host a cocktail party and drawing featuring crafts made by the most prominent crafts maker in the region. This event, titled [enter event title], will attract over 250 business and professional women from the region. The main idea of the event is to empower local crafts maker, and connect them with the market. Last year, [Event title] drew 157 attendees and the participation of 21 crafts makers from the region and world. It was cosponsored by the Regional