Cover Letter Resources. What's the best way to get your cover letter noticed and customized?The ideal cover letter is roughly a half-page to a page in length. A concise letter demonstrates that you are focused and have strong communication skills. To be considered for some positions, you will be asked to submit a cover letter—and even when a letter is not required, you should consider writing one. A cover letter is a one-page business letter that you submit along with your resume. Career Services is here to help you craft the best resume and cover letter possible to convey your skills, experience, and education. The cover letter should explain why you are interested in the specific position for which you are applying. The cover letter is connected to your resume, but it should not duplicate exactly what is already on your resume. A cover letter gives you the space to expand on your relevant skills and explain why they make you a great fit for this position.