Shaken, not stirred. This bar necessity is a 12 ounce glass cocktail shaker, with a stainless-steel lid and strainer. The leak-proof seal on the lid ensures no mess when vigorously shaking drinks. Shaker is imprinted with 6 cocktail recipes including Long Island Iced Tea, Cosmopolitan, Blue Margarita, Mojito, Tequila Sunrise, Chocolate Martini, & Kamakazi. Glass shaker also features ounce and milliliter marks for measuring accurate pours. Printed with high temperature ink, so it won't erode in the dishwasher. Shake it up!