Electric Heating Pad: Targeted Pain Relief for Back, Hand & MusclesElectric heating bag, hot water bag, Heating Pad, Electrical Hot Warm Water Bag, Heat Bag with Gel for Back pain, Hand, muscle Pain relief, stress relief. Description : Heating bag electric includes a safe, built in auto shut off function to prevent overheating. We use high quality materials to manufacture this rechargeable hot gel bag auto cut to prevent leaking. Chargeable gel pad electric for pain relief is well suited for those who suffer from