Add a bright detail to any Rambler? Tumbler or Mug with one easy switch. These pop-on, pop-off magnets pair perfectly with our dishwasher-safe MagSlider? Lid so you can mix and match your colored magnet with your favorite Rambler? Drinkware by the hour, or by the day. Not to mention, it?s a pretty handy trick if you?re aimin? to prevent drink mix-ups. This?pack comes with 3 MagSlider? Magnets,?in?three colours: Navy,?Seafoam, and White. Each MagSlider? Magnet fits all three sizes of the MagSlider? Lid for Rambler? 10 oz Wine Tumbler, 20 oz, and 30 oz Tumblers. Note: MagSlider??Lids are sold separately.