Make any happ hour happy 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 Rambler 10 oz Lowball, Rambler 10 oz Stackable Mug, Rambler 20 oz Stackable Cup, Rambler 24 oz Mug, Rambler 25 oz Straw Mug and the Rambler 20 oz Tumbler. 

Features:

·Easy press lid and 1oz twist cap

·Leak resistant

·Dishwasher safe

·Compatible with 20oz Tumbler, 20oz Stackable Cup, and 10oz Lowball