DOUBLE INSULATED STAINLESS STEEL, CLEAR LID AND STRAW INCLUDED 20 OZVacuum insulated: 20 oz. tumblers are double-walled and vacuum insulated, which keeps your favorite beverage hot or cold for hoursEasy to carry with you on the go! Fits most cup holders: The shape of all classic tumblers will fit normal sized cup holdersSealable lid and plastic straw includedBPA-free lid- The eco-friendly lid is completely BPA-free; silica gasket seals to achieve maximum spill-proof capability. The splashproof sliding cover, straw friendly