Forget about spills and splashes when you upgrade your YETI Rambler with YETI Rambler MagSlider Lids. Unlike other travel mugs' slider lids, YETI Rambler MagSlider Lids harness the power of real magnets for the smoothest opening and closing in the industry. Crystal-clear construction on these unique YETI lids lets you always see if you're in need of a top-off. The exclusive magnetic technology in YETI Rambler lids brings easy cleaningjust pop the MagSlider off, rinse, dry, and return it to the lid. Like all YETI accessories, MagSlider Lids proudly stand above the competition with spill-resistant, shatter-resistant, BPA-free performance, taking your portable refreshment to new heights. Ultra-durable YETI Rambler lid with game-changing magnet open/close technology The smoothest opening and closing in the industry Crystal-clear lid Ends the spills and splashes of ordinary drink holder lids Easy cleaningpop off MagSlider, rinse, dry, place back on lid Spill-resistant Shatter-resistant BPA-freeMedium fits: 10-oz. stackable lowball 10-oz. stackable mug 16-oz. stackable cup 20-oz. stackable cup 20-oz. tumbler 24-oz. mug 25-oz. straw mugLarge fits: 14-oz. stackable mug 30-oz. stackable cup 30-oz. tumbler 35-oz. straw mug 42-oz. straw mug