Premium Material: The 3-layer heated blanket made of 220gsm flannel and 220gsm fleece is thicker and softer than ordinary blankets, allowing you to feel less of the built-in heating wires. Nonwovens fixes wires for security, no shifting when in use. (Please connect the controller cord first and then the power code.) Auto-off for Safety: The heating blanket has 5 timing settings (2/4/6/8/10 hours) and will turn off automatically incase you forget. The queen-size and king-size blankets have dual controllers for evenly heating. erfgsw3