Keep beverages hot or cold for hours with this copper lined double wall vacuum insulated stainless dual purpose tumbler/insulator that has two handy lids. The slide lid converts it to a tumbler allowing you to sip 10 oz. of your favorite beverage. The second lid allows you to insert your favorite 12 oz. canned or bottled beverage securely locking it in place and while keeping it insulated. 18/8 grade stainless steel, BPA free, meets FDA requirements.