the best condition for a relaxed sleep washable warming electric blanket with removable control panel with 4 rubber bands to attach it to the mattress can be used under the sheet extra thin not woven material 3 temperature settings switches off automatically after 180 minutes recommended warm up time 20 minutes extra long connector cable size approx 150 x 80 cm 60 watt material 100 polyester washable up to 30 c