Celtic shot glass set features four glasses that are enhanced with embossed pewter emblems that form the interlaced lines of the Dara knot, or strength knot. The Celtic strength knot whiskey measures measure 1 7/8” diameter x 2 1/2” tall; they hold 2 ounces of your favorite adult beverage. The round rim Dara knot shot glass set is made in the USA and is gift boxed with a Celtic knot history card, complements of The Irish Gift House.