Need protection from pesky demons? Slap one of these slayer stickers to your favorite surface (waterbottle, notebook, tablet case) to keep the baddies away! 
 
Soft Boi Slayer
Cry Baby Slayer
I May Be Stupid... Slayer
 
Each one is 3" and on a transparent background. They are vinyl, making them weather proof, water proof and scratch resistant.