[Product Information]

• Ideal for people with shoulder and upper back pain
• Treats shoulder and upper back muscle groups measures 17 inches x 22 inches， medium weight
• Washable fleece cover retains the heat and provides insulation to your skin the heat lasts for half an hour
• May be used as a cold pack， recommended to remove fleece cover for cold therapy
• Filling doesn't shift， and the fleece cover keeps the heat and provide insulation to your skin