Large/6  x 18 *System includes two (2) 6  x 9  B*Packs in a soft 6  x 18  fabric cover that is divided* System also includs a wide fully removable elastic and Velcro© strap  *Stays flexible when fully frozen *Quickly reaches freezing temperature  *Maintains low temperature longer *Non-toxic fill enclosed in latex-free vinyl *Ergonomic designs for specific areas  such as the neck  shoulder back or wrist *Fabric protects skin from tissue damage due to hypothermia *Fully removable  can be machine washed and dried * Velcro© at both ends to be fully detachable