The Bed Buddy Microwaveable Heating Pad provides soothing relief for tired muscles with its large 12 x 13 size that molds to your body offering ultimate comfort. Filled with 100% natural grains and featuring a soft comforting fleece cover this reusable pack can be used for both hot and cold therapy to ease pain and swelling especially for back pain. The relaxing lavender and chamomile scent adds a touch of aromatherapy helping to aid healing and reduce inflammation for a more comfortable experience..