This 24?oz classic tumbler features a travel lid with an open/close slider and slim bottom to fit cup holders. A large lid opening makes it easy to add ice cubes and the tumbler features graduation marks for convenient measuring and mixing. The black Field Museum logo is sealed between the tumbler walls. Tervis tumblers feature double?wall insulated construction that keeps drinks hot or cold longer and reduces condensation to prevent rings on your table. Strong, impact?resistant BPA?free material means this tumbler can take a tumble without shattering and won't retain tastes or odors. Features: Holds 24?oz Microwave, freezer, and dishwasher safe Fits most cup holders