Homedics Weighted Integrated Gel Heating pad 4.1 LB with Deeper Penetrating Heat, 6 Heat Settings with 2-Hour Shutoff, Freezer-Friendly Cold Therapy, Unplug for On-The-Go Use, 12” x 24”Heat Therapy: Relieve pain with 6 heat settings; ReadyReliefTM is designed to heat up quickly for faster results; moist heat offers added relief; retains heat unplugged for on the go use Integrated Gel Technology: Patent pending integrated gel technology allows you to choose between heat therapy or freezer friendly cold therapy to reduce swelling and inflammation Calming & Convenient: 4. 1 lb. weighted design provides calming comfort and helps reduce