StixToGo. Seal It Tight, Keep It Hot! An innovative and elegantly simple device for the on the go coffee drinker. Beverage Plugs snap firmly in the sipping hole of a disposable coffee lid.;Helps prevent drips and splashes;Keeps beverages botter 40% longer;Converts most disposable lids to drip proof;Stop wasting money on expensive resealable lids that are used on each and every cup. Use StixToGo Beverage Plugs!