Call them decals or call them stickers. Peal the back off of this vinyl Dartball board decal and it will adhere to almost anything. Use it on books, book covers, or to mark your dart case. It will adhere to paper, metal, wood, glass and walls. If that is what you have in mind.

It measures 4 inches by 4 inches and is in full color.  The design is the same as the Official Dartball board used in Wisconsin and many other states.

The price is $9.95 for 5 decals.