This letter asks the recipient to volunteer time to a community advocacy group.
1234, Main Street
Boston, MA 02123
05 April, 2005
<Recipient Address Goes Here>
As you probably are aware, <group name> does a great deal of work in <community name> to <organization's cause>. To continue that important work, we need the help of concerned citizens like you.
<volunteering details>. Most importantly, you'll be doing something that makes you feel wonderful.
Please give some of your time to make our job a little easier. For more information on volunteering, call <phone number>.
Thank you for your support of <group name>.
encl: <List of enclosed items goes here>