100 % SEALED AND LEAK PROOF: Auto seal technology automatically seals between sips to prevent leaks and spills; lid-lock prevents the Auto seal button from accidentally being pushed while on-the-go ICE COLD OR PIPING HOT: Thermalock double-wall vacuum insulation keeps temperatures locked in for hours; drinks stay hot up to 5 hours or cold up to 12 hours, on the go, in the office or outdoors DURABLE and SUSTAINABLE: High-quality travel mug, stainless steel bottle with vacuum insulation; the sweat proof design makes sure your liquids stay in the thermal mug, not on the outside 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 IDEAL FIT: The thermal mug provides easy and convenient one-handed drinking for both left- and right-handed users, and fits most car cup-holders: size 7.4 x 7.4 x 21.2; capacity 470 ml; weight 320 g