Some of the best stories start with hold my beverage, so go ahead and say it to your GoNow Box to set the mood. The GoNow Cup Holder fits up to 30-oz. tumblers and snaps onto any Box. FeaturesDual-purpose design holds drinks and serves as a dump tray for gearDurable polymer constructionDimensions: 4.6"L X 4"W X 5.4"H (11.7cm L X10.1cm W X13.7cm H)