Take the bar where you are with the ultimate Cocktail Shaker.Easy press lid and 1oz twist capLeak resistantDouble-wall vacuum insulated vesselDishwasher safeTake the bar where you are with the ultimate Drinkware and Lid.Compatible with Rambler® 10 oz Lowball, Rambler® 10 oz Stackable Mug, Rambler® 16 oz Stackable Pint, Rambler® 24 oz Mug, Rambler® 25 oz Straw Mug and the Rambler® 20 oz Tumbler.18/8 STAINLESS STEEL: Puncture- and rust-resistant with double-wall insulation to keep whiskey sours ice-cold. LEAK RESISTANT: Shake without splashes. What goes in stays in, until it’s in your cup. EASY PRESS LID AND TWIST CAP: Waste no time between shaking and serving to keep the good times flowing. DISHWASHER SAFE