Spa Necessities® Aroma Therapy Moist Heat Warming Back and Shoulder Wrap provides moist heat,for comfort purposes,but also provides aroma therapy,which has relaxing properties of it's own. Spa Necessities® Warming Therapy Products possess a level of quality  that you will find at  some of the finest Spa's around the world!  The Back and Shoulder Wrap is made from the highest quality polar fleece to ensure pleasure and comfort for every part of the body. The heat/scent packs may be removed for machine washing.  When your back is stiff your shoulders ache also,so we covered that.  The added benefit of our Shoulder protion of the wrap allows you to hold the wrap in place as you settle into a comfortable position to soothe those achy muscles!