https://kindlekidsbackseatbookcrew.com/ -“When you join, while supplies last, we’ll send you an exclusive, members-only Backseat Book Crew Bundle filled with reading-themed stickers, a “Kindle Kid On Board” bumper sticker for the car, reading recommendations for the summer, a patch, and a 10% off promo code for your next Kindle Kids or Kindle Paperwhite Kids purchase on Amazon.com.”

https://www.peta.org/action/activism-guide/free-animal-stickers/ -copy/paste the link
Scroll down and fill out the form to get Free PETA animal rights stickers.

https://michaelberryshow.com/products/free-michael-berry-show-bumper-sticker -add to cart and checkout to get Free Michael Berry Show Stickers.
https://www.nonukesyall.org/join.html -fill out the form to get a Free No Nukes Y’all! Sticker.
https://www.centerfordairyexcellence.org/june-dairy-month/ -fill out the form to get a Free Choose PA Dairy’ Magnet Sheet.

https://store.ruthlesspodcast.com/products/free-ruthless-bumper-sticker -click add to cart and checkout to get a Free Ruthless Bumper Sticker with free shipping.

https://www.boone-crockett.org/fair-chase-statement -fill out the form to get a Free Fair Chase Hunter decal

https://www.keeponwrenching.com/ -fill out the form to get a Free Keep On Wrenching Sticker.

https://www.life1071.com/welcome-packet/ -fill out the form to get Free Life 107.1 Stickers and Magnet.

https://act.kairosfellows.org/signup/stickers/ -fill out the form to get a Free Google Climate Action Sticker.

https://www.henryusa.com/catalog/ -fill out the form to get Free Henry Repeating Arms Stickers.