9 oz Solo Cups August 10, 2017August 10, 2017 | Alex 9 oz Solos come in packs of 40 or 50. You’ll need 50 for one ball, so buy enough. Make sure you get the cups with the slanty sides. Share the Sparkle :)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Like this:Like Loading...