The perfect gift for her birthday or any day that Favorite Aunt needs to be reminded how very important she is! I'm the favorite Aunt! Celebrate your favorite Aunt in style with everyone's favorite Double Walled Tumbler with Straw. This acrylic tumbler holds 19 oz of your choice of drink; cold or hot! Double walled technology helps to insulate your drink and keep it your desired temperature for hours! Hand wash only!