Did you know that there are millions of Mason jars are currently in circulation in North America? Why not find a second use for all those jars! This cocktail shaker lid and pourer for Mason jars from Starfrit is designed to screw onto a regular Mason jar. Simply screw the collar on a regular Mason jar (jar sold separately)! The pourer is even dishwasher safe.Details:Gray2.755" x 2.755"Fits standard Mason jars (sold separately)Dishwasher safeMetal