Beverages stay ice cold or piping hot longer. Over-engineered double-wall vacuum insulated tumblers with an 18/8 stainless steel body. No sweat design to make sure your hands stay dry, BPA-free and dishwasher-safe. MagSlider lid harnesses the power of magnets to keep your sodas or suds on lock. DuraCoat black won’t fade, peel, or crack, and provides some additional grip to your stainless steel drinking vessel. Holds 20 fluid ounces.