YETI Rambler Large Travel Straw Mug Lid is designed to securely fit your Rambler 30 oz or 40 oz Travel Mug, making it the companion for your daily adventures. Featuring a quick-flip straw that is leakproof when closed and easy to sip from when open, this lid ensures you stay hydrated whether you're running errands or exploring new places. It can be fastened in multiple positions, allowing both right-handed and left-handed users to drink comfortably. When you're done, simply toss it in the dishwasher for a hassle- clean. Please note, this lid is not intended for use with carbonated beverages or for storing food or perishables. For more details on product use and safety, refer to the FAQ page.