Sunny Bay Lower Back Heat Wrap， Large， Navy Blue[Product Information]- polyester， cotton，
- Made in USA
- Treats shoulder and lower back muscles， large heating area， 10 inches by 18 inches weighs 2 and half pounds
- Ideal for lower back pain， treats back and shoulder muscle groups， can also be used for shoulder joint pain
- The heat back pack is extra long: total 58 inches long enough for a large person to tie the wrap around their body it stays on the shoulder or around your waist when you move around
- The heat lasts for half an hour; the fleece protects the skin from excessive heating and burns
- Filled with all-natural flax seeds; the heat back pack is constructed with multiple channels so the filling will not shift to one end during use
