You use this margarita salt for margaritas - duh. Just wet your glass and use the specially designed lid to add the perfect amount of salt to your rim. With this on hand you"ll always be ready for a fiesta - or at the very least a properly prepared cocktail. In stock and ready to ship. Features: Lid doubles as a glass rimmer. Ideal for home or commercial bar use. . Specs: Dimensions: 4 1/2"W x 2 3/4"H.