Keep water locked in with the colossal YETI(R) Rambler(R) 40 oz. Travel Straw Mug. Built with a quick-flip straw lid and comfortable handle, staying hydrated on the go is not a problem. Plus, it's 100% leakproof when closed so you can trust it to keep your pack dry, your gear safe, and your front seat spill free. Just fill it up, twist it closed, flip down the straw, and toss it anywhere. And with several possible lid positions, it's great for righties and lefties. Like the rest of the YETI(R) Rambler(R) Drinkware lineup, this mug is over-engineered and double-wall vacuum insulated to keep your drink cold until the last sip. Plus, the mug and lid are dishwasher safe for easy cleaning. Please note: Do not use the Rambler(R) Travel Straw Mug with hot, carbonated, or pulp beverages or for storage of food or perishables. Learn more about product use and safety on the Rambler(R) FAQ page. Features: LEAKPROOF WHILE CLOSED: Throw it in your bag without hesitation CUP-HOLDER COMPATIBLE: So you can have your go-to within reach EASY-GRIP HANDLE: A thick, comfortable handle sized for paws big and small DOUBLE-WALL VACUUM INSULATION: Keeps drinks cold even on the hottest days RUST AND PUNCTURE RESISTANT: Made with kitchen-grade stainless steel DISHWASHER SAFE: Because no one needs more work to do