Pair of YETI Rambler Mugs 2.0 with MagSlider Lid - 14 fl. oz. Never used but have been washed Made with kitchen-grade 18/8 stainless steel that is puncture- and rust-resistant Double-wall vacuum insulation keeps drinks hot or cold until the last sip MagSlider lid seals the mug to prevent splashes When the lid is removed, the bottom grooves on the stackable base allow you to nest your YETI Rambler 2.0 mugs to save space 360° welded handle gives you a firm grip on your beverage and won't break if it hits the rocks Mug and lid are dishwasher safe Do not place the mug over an external heat source or open flame; vacuum seal or damage may occur The mug's wide opening means contents may cool quicker without the lid