Vacuum insulation maintains temperature
Keep beverages hot for up to 7 hours
Keep beverages cold for up to 20 hours
AUTOSEAL technology is 100% leak/spill proof
Double-wall exterior eliminates condensation
Lose all worry about the temperature of your drink with the Avex Highland AUTOSEAL 20-oz. Black Travel Mug. A double-walled exterior and vacuum insulation combines to keep beverages hot for up to 7 hours or cold for up to 20 hours. The patented AUTOSEAL technology provides 100% leak-proof and spill-proof performance by sealing the drink inside the mug for complete piece of mind. This allows for convenient one-handed use, as you just press the lock button to sip your drink and release it to automatically seal the mug shut. This mug is dishwasher safe and the sleek design fits right in to many types of car cup holders.