This Stronghold Lid twists securely and uses a dual-slider magnet technology to help prevent leaks and splashes. To unlock, push the magnet down and slide back and push slider forward to lock. When you want to clean, simply pull the magnets apart and load in your dishwasher.
Please note: This Stronghold Lid is not interchangeable with Mugs or Tumblers that use MagSlider lids.