Electric Heating Lunch Box Safety conceal PTC heating element Portable and easy to operate Safe and High temperature resistant material can withstand high temperatures up to 70 Degree Celsius Energy efficiency consumes 40-Watts Size (L x W x H cm) 17 x 12.5 x 25 Weight (kg) 0.61 Rated power::40W length:20.5cm/8.07' width:16cm/6.3'' height:10cm/3.94'' Material:Plastic Rated voltage::220V/110V