I will do charity, ngo, non profit organization logo

Yes, I offer refund option in case if the customer is not satisfied with the end product.

Vector file is adobe illustrator file it won't lose quality.Also, you can use it for high-resolution printing as well as you can do easily any kind of change in the design in future.

Source files are editable files in which you can make any type of edits in design.

I am offering Unlimited revision in my all packages so, You can ask for revisions until you are 100% satisfied.

Transparent file of a logo is the version of your logo without background. You can use and put the transparent file for the website and everywhere there is no background so it should be resizable.

Depending on your needs.But if you want high-quality End product then you should select the premium package.

The social media kit will be your design with a bit changes that will be fit to your social media sites, such as facebook, twitter profiles or cover page size.