How should I go about reaching out to local nonprofits and volunteering design services?

I'm working with a group of designers who would like to volunteer some design services to local nonprofits that might have a need in that department (flyer design, social media design, web design, etc.). I'm working on drafting up an email and I was just curious how best to phrase that or how I should go about volunteering those services? Any tips are welcome.

submitted by /u/graceeh67
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