The Rambler Wine Tumbler Magslider Lid is perfectly sized for the YETI Wine 10oz Tumbler, ideal for keeping splashes at bay and debris out. The smooth magnet provides a reliable sliding mechanism for each size. Plus, the magnet is easy to remove for a more thorough cleaning, allowing it to stay in top condition. Simply pop the MagSlider off, rinse, dry, and return it to the Lid. The magnet on the MagSlider Lid adds a barrier of protection for keeping drinks contained. Please note - the magnet component is not leakproof and will not prevent spills. The Lid is crystal clear so you can always see if you need a top-up!This Lid Fits the YETI 10 oz. Wine Tumbler, 10 oz. TumblerNot leakproofCrystal clear lidSpill-resistantShatter-resistantBPA-freeNOTE: This is for the Lid ONLY