Taste the modern twist on a classic with On The Rocks Effen Vodka The Espresso Martini Cocktail. On The Rocks carefully crafts cocktails that make the moment. On the sofa, at your hotel, after the slopes, this rich Espresso Martini is ready to pour over ice and enjoy. Developed by mixologists, On The Rocks cocktails bring the bar to you with premium spirits and pure creativity. A little dark and a little daring, this Espresso Martini is crafted with ultra-smooth Effen Vodka and espresso coffee liqueur. Just pour over ice for effortless enjoyment, whether sitting by the fire or cooking dinner with friends. Garnish with a coffee bean to elevate the evening. Each bottle contains 20% alcohol by volume and should be enjoyed responsibly. OTR delivers the bar wherever you are. Just open it, pour over the ice, and enjoy.