Secure this lid on your Rambler® 20 oz Travel Mug and let adventure lead the way. The quick-flip straw is 100% leakproof when closed and easy to sip from when open - making it perfect for staying hydrated while running errands or exploring new places. Plus, it can be fastened in multiple positions so righties and lefties can take a drink comfortably. Once you're back home, throw it in the dishwasher for an easy clean. Features 100% leakproof. Quick-flip straw. Dishwasher safe. Fits the Rambler® 20 oz (591 ml) Travel Mugs. Please Note: Do not use the Rambler® Travel Straw Mug Lid with carbonated beverages or for storage of food or perishables.