DRINK AT THE PUSH OF A BUTTON: Simply press the AUTOSEAL button to drink, release to seal and the thermal mug is completely sealed; Button Lock prevents accidental pressing the button ICE COLD OR PIPING HOT: Thermalock double-wall vacuum insulation keeps drinks hot for up to 5 hours or cold up to 12 hours, on the go, in the office or outdoors 100% SEALED & LEAK-PROOF: Thanks to AUTOSEAL technology, the drinking opening of the stainless steel thermal mug closes automatically after drinking, no unwanted spills or drips EASY TO CLEAN: Dishwasher-safe lid hinges open completely for easy cleaning (one piece, no separate parts to take apart or misplace); hand wash vacuum flask body PERFECT FOR ON THE GO: The reuseable stainless steel thermal mug fits in all standard car cup holders; Size 9.2 x 8.9 x 19.7 cm; Capacity 740 ml