Go to www.Smile.Amazon.com
This brings up the 501(c)3 corporations that Amazon contributes to and they will donate one half of 1% of the sale.
The Foundation is part of this, but it is not automatic.
You have to go in and select
Back Country Horsemen of Idaho Foundation, Inc.
Once you do this, then bookmark it as one of your favorites.
Click on it every time you shop at Amazon
and it will automatically bring up the Foundation.