Make any hour happy hour with a leak-resistant cocktail shaker that's as durable as it is portable. 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. Puncture- and rust-resistant with double- wall insulation to keep whiskey sours ice- cold. Shake without splashes. What goes in stays in, until it's in your cup.