Sometimes you just have to tell people to put their drink on the dam coaster!
 
A MainsMade original from our shop near in Boulder City, NV home of the Boulder Dam. 
 
If you're in the area, you can also purchase these coasters at the Boulder City Co. Store 
 
Set of 4, each coaster is made from solid acacia wood. Size is 3 3/4" x 5/16".