Sunny Bay Extra Large Microwave Shoulder & Upper Back Heating Wrap， Moist Hot and Cold Pack， Thermal Therapy for Back Pain， Navy Blue， 3.8 Pound[Product Information]- 100% polyester， 100% cotton
- Made in the USA and Imported
- Ergonomically designed to stay on your shoulder while walking around
- Extra large & long for tall people， the wide and extra long tail treats upper back muscles
- The wide shoulder part wraps around your shoulder and chest
- The heat can last more than half an hour and increase your blood flow
- Filling doesn't shift， and the fleece cover keeps the heat and provide insulation to your skin; Washable Cover
- Ideal for people with shoulder and upper back pain
- Treats shoulder and upper back muscle groups extra large size for more coverage measures 20 inches x 26 inches 35 pound
- 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
- Stays on your shoulder when you move around
