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 of the button ICE COLD OR PIPING HOT: Thermalock double-wall vacuum insulation keeps temperatures locked in for hours; drinks stay hot up to 4 hours or cold up to 14 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 environmentally friendly stainless steel thermal mug fits in all standard car cup holders; Size 15.8 x 8.3 cm; Capacity 300 ml; Weight 241g, with glitter effect