YETI Rambler Stronghold Lid, 20 oz. is designed to keep the contents of your cup secure, giving you peace of mind without worrying about accidental spills. This innovative lid easily twists on and features a dual-slider magnet that helps contain leaks and splashes effectively. The magnet conveniently slides up and down to open or close the lid, making it simple to use. Specifically made for YETI's 20 oz. travel mugs, this lid combines functionality with durability to enhance your drinking experience.