DO be as precise and straightforward as possible in the offer letter. Important information that should be in an internship offer letter.A sample letter offering a job contingent upon the results of a background check or other criteria. This document is an internship offer letter from IdealVillage to Sameer Ahmed. Thank you very much for offering me a position as a summer intern with the Massachusetts Attorney General's Office. I remain very interested in the possibility of working as an intern with the U.S. Attorney's Office this summer. Provide a brief description of your company profile in the internship offer letter, including its history, mission statement, and values. A cover letter provides an opportunity to showcase your qualifications, skills, and enthusiasm for the internship position.