electric bed warmer blanket for 2 persons 100 % polyester sheet and the bed cover 160x140 cm2 3-level temperature switch protection against overheating: 2x60 W hand washable weight: 1.71 kg 2 year warranty With the help of the ARDES 4U140 bed warmer, you can quickly and easily warm up your bed, helping you fall asleep quickly and easily. It has two zones that can be controlled separately, making it ideal for two people. Place the bed warmer between the mattress and the sheet, switch it on and you can already feel its warming effect after 10 minutes