Make any hour happy hour by turning your Rambler Drinkware into a cocktail shaker with a leak-resistant shaker lid that's as durable as it is portable. It's made with stainless steel, features double-wall insulation, and No Sweat Design so your drinks are consistent and cold from the first pour to the last. 

Compatible with the, Rambler 10 oz Lowball, Rambler 10 oz Stackable Mug, Rambler 16 oz Pint, Rambler 24 oz Mug, Rambler 25 oz Straw Mug and Rambler 20 oz Tumbler.