Twin size (single controller) 100% polyester electric blanket Electric under blanket 100% polyester Handy controller 0-1-2-3 heating setting Safety system with overheating protection Double helix heating wire to ensure your safety Washable thanks to detachable controller *80cm / as your demands Power output: 50 watt *1 / 60 watt *1 / 85 watt *1 Corner ties for secure f itting Double controller king size Electric under blanket 100% polyester Handy controller 0-1-2-3 heating setting Safety system with overheating protection Double helix heating wire to ensure your safety Washable thanks to detachable controller Size: 150*140cm / 160*140cm / 193*137cm / as your demands Power output: 50 watt *2 / 60 watt *2 / 65watt *1 Corner ties for secure fitting.