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.FEATURES :- Dual function lid- Vacuum Insulated, keeps beverage hot for 12 hrs., cold 24 hrs.- Squared edges for a more comforting grip- Fits in standard vehicle cup holders