VACUUM INSULATED - This 16-ounce tumbler is made using the THERMOS TM vacuum insulation technology for maximum temperature retention.

It keeps your beverages hot for 7 hours and cold for 18 hours.

DOUBLE WALL STAINLESS STEEL - This 3.3" x 7.8" tumbler mug is built with a durable high quality double stainless steel wall.

Exterior stays cool to the touch with hot beverages and sweat-proof with cold.

LEAK PROOF LID & TEA BAG HOOK - Our tumbler comes with DrinkLock TM sealing lid which is leak-proof when closed and properly assembled.

It also comes with built-in tea hook which holds tea bags or most loose-leaf infusers.

FITS MOST CAR CUP HOLDERS: This tumbler fits most car cup holders and is compatible with most single cup brewing systems.