This unique neck wrap extends 18" down the back. Covers your shoulders and upper back with a moist, penetrating heat. Soothes achy joints and muscles. The aromatherapy and heat melts away pain to rejuvenate body and mind. Removable insert is billowed in sections for even distribution. Contents will not fall to one end. An all natural fill is used, containing flax seed infused with pure essential oil and organic herbs/leaf (ie: lavender buds, eucalyptus leaf).