Boston Shaker is the cocktail shaker preferred by bartenders worldwide. Now Rabbit Barware has given it a Flip-Top lid with built-in strainer. Measurements are clearly printed on the glass shaker, so it's easier than ever to measure, mix and serve cocktails at home. Key Features and Benefits Patented Flip-Top mechanism Built in top and strainer Machine-made glass Recipe Booklet, 10 Most Popular Cocktails included Dishwasher safe 5 year warranty on Flip-Top lid"