The ColePak Comfort Back Wrap serves as a Hot or cold compress that alleviates pain and discomfort. If symptoms persist or increase in severity, seek medical attention immediately, according to the u.s. Medical association for back pain, the most common musculoskeletal complaint that brings people to their doctor is 'knee pain' 4 out of 5 adults experience back strain at some point in their life and for some, it can become debilitating, affecting the quality of life. Colepak Back and Knee Wraps can deliver dual therapies to back and knee pain simultaneously for a faster recovery. Back sprains and strains, lumbar herniated disk, degenerative disc disease, facet joint dysfunction, spinal stenosis, compression fracture, post-surgery, muscle spasms or bulging or ruptured disks.