{Your organization’s address / letterhead}
{Date}
Dear {Recipient},
Today I am writing you on the behalf of {Name of NGO} to solicit your financial support for our current {project | candidate | cause | etc.}. You have helped us in the past with similar projects, which is why we thought you would be interested in contributing to our current cause. {Describe the project or cause, and explain what the money will be used for}.
We would be grateful for any amount of assistance. By meeting certain donation thresholds though, you become eligible for gifts as listed below:
{List of donation tiers and gifts}
Thank you in advance for your continuing support!
Sincerely,
{Name}
{Job Title}
