DOUBLE WALL INSULATED TRAVEL MUG: Double wall construction with vacuum insulation prevents temperature loss to keep your hot drinks hot or your cold drinks coldSTAINLESS STEEL CONSTRUCTION: PAMEER generous 500 mL capacity self-heating travel mug features a sleek silver-coloured exterior and food-safe stainless steel interiorUSB AND 12V POWERED HEATING MODE: Plug into a USB port or your vehicles 12V receptacle to power this travel mugs built-in heating element to keep your coffee, tea, or hot chocolate hot and ready to drinkSAFE-TO-TOUCH HANDLE: Durable black ABS handle stays cool to the touch for your safety when cup is used in heating modeEASY TO CLEAN: The included USB power cord with 12V adapter is removable so you can wash the inside of the mug and the durable ABS lid is dishwasher-safeVEHICLE SPECIAL TOOL: Great Insulation Effect, Firm Plastic Handy Handle, Detachable Standard 12V Auto Adapter Car Cigarette Lighter Plug Included, Suitable For All Car Power Supply.ANTI-LEAK & ANTI SLIP BOTTLE WARMER: Designed with sealed rubber band on the lid to prevent liquid from spilling out and improve the efficiency of warming; Anti-slip rubber base, keep the cup stable.