Beautyko Neck-o-sage is a therapeutic neck massager to provide relief for stiff, aching neck. The therapeutic design of this soft gel collar conforms to the contours of your neck and upper cervical for complete relief. Use it warm or cold for soothing, customized therapy. Simply heat in the microwave or chill in the freezer. Flexible, fabric covered gel pads retain temperature for upto 40 minutes. Adjustable hook-and-loop closure. Three compression level settings – low, medium and high. Compact and portable. Carry anywhere.