Mama needs Coffee! And since Mom can often be found driving the family taxi, this travel mug is the perfect gift for Mother's day or any day. It measures 3.5 x 6.25 and ships with a hard plastic lid (BPA free) that has an open and close feature. The double wall insulates your beverage--keeping hot liquids hot and cold liquids cold. This is a large travel mug with a lid that holds 16 oz. of your favorite coffee or tea. Dishwasher and microwave safe.