Evo shield is a baseball company that makes protective gear. There stickers are pretty big and they usually send some. There email is support@evoshield.com say something like

“Hi! My name is                   and I was wondering if there was any way that I could receive free stickers? I enjoy using stickers from my favorite companies on my sports equipment & vehicle & I would love to add one of yours to my things! Thanks! If yes, my address is:

01 example rd
Boston,ma
02460 USA