Battle Creek Ice It MaxComfort Cold Therapy Shoulder System is designed as a large cold packs which are placed in the front and back sections of the shoulder system, which is intended to wrap around the entire shoulder for optimal efficiency. Shoulder Ice Pack helps to minimise swelling or inflammation brought on by an injury or excessive use. Two 6" x 12" E*Packs fit inside a 13" x 16" cloth holster with adjustable elastic straps.