Perfectly seamless both vertically and horizontally. Great for an asteriods - style game, but also a side scrollers like mario.  It could even be used in a cartoony 3d game. 

Check out my other seamless art!

 If you would like to learn how to make a seamless background on your own, here is a video tutorial on how to do so: https://vid.me/1gNn

Completely free to use.  I appreciate you linking to my page and attributing me, but I dont require it.