Keep sand, bugs anything else conspiring to get in your drink as well as keep from spilling your coffee while driving with the Rambler® MagSlider™ Lid — individually sized for YETI Mugs, Tumblers, Lowballs, and Stackable Pints. For each size, the smooth magnet offers a reliable sliding mechanism. Rambler 10/20 MagSlider Lid is dishwasher-safe lid also adds a barrier of protection to keep coffee, water, wine, or drink you are craving. The magnet is simple to remove for easier, more thorough cleaning, so it can stay in its prime and far outlast any other slider lids out there. Please note: the MagSlider Lid is not leakproof and will not prevent spills.