Hot therapy, cold therapy and aromatherapy all in 1 The Sharper Image Aromatherapy Neck and Shoulder Wrap combines heat and cooling therapy with aromatherapy for a total spa relaxation experience in a compact package. Relieve muscle stress, pain and tension or reduce inflammation, then unwind with the fragrant herb blend.100% natural herb blend promotes relaxation The wrap contains a soothing blend of scents with components such as lavender, spearmint, cinnamon, rosemary, chamomile and more. Each scent works in harmony with 1 another to aid in relaxation, restful sleep and overall mental and physical health. Custom-fit design adapts to neck and shoulders Designed for regular use by 1 or several persons, the wrap's unique shape allows it to adapt to any body type. It drapes comfortably around/over the neck and shoulders to apply heat or cold therapy to your muscles (use caution with direct skin contact and heat or cold).Prep in microwave or freezer Easily prepare for heat therapy by heating the wrap in the microwave in increments of 30-seconds (do not overheat). For cold therapy, chill the wrap in the freezer for 1-hou to 2-hours.