A replacement for your tumbler lid, this reserve tank fits nearly all 20oz stainless steel tumblers on the market. Simply untwist the button to fill the reservoir, then press the Fun Button to dispense ½ ounce of your favorite liquor into your tumbler below, and enjoy the perfect drink on your next outdoor adventure. Whether you’re hiking, camping, or hitting the beach, you’ll enjoy our leakproof seal until you're ready to mix your next cocktail.
Meet the master of all tumblers. Kitchen-grade 18/8 stainless steel and double-wall vacuum insulation keep your ice solid and your drink pure. Perfect for people on the move, simply attach our signature alcohol vessel, and transform your water into liquor at the press of a button. Under the stars, in the hot sun, or on the golf course—wherever your adventure takes you, we’ve got you covered (our system is even cup holder-friendly). Because sipping mixed drinks in nature has never been so simple.