The ASOBU® Aqualina was created exclusively for the person who searches for that statement piece. The sleek silhouette and dual functioning lid place this tumbler in a class of its own. Enjoy hot and cold beverages at the flip of a lid. simply remove the straw, close the lid and switch to a hot beverage. Double walled, vacuum insulated stainless steel ensures that beverages remain hot or cold for hours. fits effortlessly into vehicle cup holder.