Double Bubble Layered Shot Glasses for the Most Palatable & Smoothest Shot. Set of 4 Glasses. A modern drinking marvel designed to make your shots taste better and easier to intake. It allows you to serve liquor and chaser in one glass so the last thing you taste is the chaser. There is no magic or witchcraft involved, just the simple laws of physics we all learned in school. - Shot and Chaser in One Glass - Made of Glass - Great for Bars, Restaurants, Catering Events, Night Clubs, and Bachelor or Bachelorette Parties - One of a kind presentation & visual experience! - Clear for visibility of contents and to coordinate with most tableware, drinkware, and decorations - Dishwasher safe & Made in USA - Recipe Card & “How To Pour” Card included. *Also known as, double bubble shot glass, a snorkel shot glass, a jigger chaser shot glass, an over under shot glass, or a jagerbomb glass.