Beer pong under blacklight?  It's possible and fun with these UV blacklight reactive balls.  Includes 6 balls, each with two bright colors.

Play pong.... it's more fun under blacklight! You get 6 UV blacklight reactive pong balls. Take your beer pong obsession to the next level; if you think you're good now, try turning on the blacklight! Not only do these UV reactive pong balls make it possible to play under blacklight, they also add an awesome effect and new life to the most popular drinking game. Fill up your cups with your favorite beer, turn on the blacklight and get the party started!