Enjoy the ultimate massage experience to speed healing or fitness recovery by using the Hot-Cold Massage Spot Therapy Vibrating Gel Pack. The therapeutic gel pack and massage disc is perfect for relieving muscle soreness, stiffness, stress, or chronic pain, such as those associated with chronic back pain, fibromyalgia, joint pain, arthritis, sports injury. Best spot massager for stress, muscle soreness, stiffness, or chronic pain, such as those associated with chronic back pain, fibromyalgia, joint pain, arthritis, sports injury. The ergonomic design is perfect to use on the lower and upper back, legs, arms and feet. An extra thick reusable Hot-Cold Gel pack with ceramic beads, a soft protective case (12” strap) and a massaging disc ensures maximum pain relief. Heat the gel to help increase circulation for muscle comfort and relaxation. Cold helps to reduce joint swelling pain and muscle inflammation. Wearable Pain Relief-the Hot Cold Massage spot therapy vibrating gel pack is ideal for hands free pain relief. Perfect for both all-around and targeted muscle relief, even deep down. It combines superior massage power with heat or cold gel for customized pain relief.