WAGAN 2227-1 Silver Ceramic Heated Travel Mug (2 Pack) Type: Vacuum Mug Features: Capacity: 16 fl oz / 473 ml Can heat up beverages around 145°F (65°C) in 30 minutes Exclusive insulation material will preserve beverage temperature for up to 2 hours after the mug is unplugged from car Detachable 12V power cord Power: 48 Watts Available in red, blue, silver and with stainless steel interior Capacity: 16 fl oz / 473 ml