The Rambler Travel Mug is so portable and leak-resistant, you&';ll have to think long and hard about where it can&';t go. It&';s the first piece of YETI drinkware to have a leak-resistant RamblerA(R) Stronghold(TM) Lid and a cup-holder friendly grip, which means we built this drink handler to keep your coffee full, worries away and every sip sittin&'; shotgun. Made with kitchen-grade stainless steel, so theyre puncture- and rust-resistant No-sweat design Durable