5 brothers have created a Kickstarter campaign for Slip Cups – a cup that inserts into 16 and 18 ounce disposable cups, preventing your beer pong ball from landing in your beer.

The Kickstarter campaign has already passed it’s $70,000 goal with 20 days left to go. The lowest tier costs just $5 for a pack of 20 Slip Cups.

The Slip Cups have tabs on the inside, to trap the ball, are center weighted to avoid spills, and have numbers printed on the bottom, that are used for 15 different drinking games – the rules for which can be found on the Kickstarter page.

You can check out the Kickstarter campaign here.