This double-duty on-the-go drink handler is the only YETI Drinkware topped with the RamblerStrongHold Lid a leak-resistant, twist-on upgrade thats backed with a dual-slider magnet technology. It adds a strong layer between your free-flowing drink and the outside world, come arm swings or speed bumps. And if were talkin about where to take it, its elevated handle lets you enjoy cup-holder convenience just about anywhere.Please Note:The StrongHold lid is specially made for the Rambler 20 oz. / 591ml Travel Mugand wont fit other Rambler Drinkware models.The Travel Mug Stronghold Lid has 4 placement options and plays nice with both righties and lefties, just like all our Rambler Drinkware.