Summer Sunflowers Rice Warmer Pad, Essential Oil Soothing WarmerThese rice warmers are generously filled with rice and sewn into four sections to keep the rice in place while in use. Use warm to soothe sore muscles. Drape over your shoulders to relax your neck and shoulder area. Can also be kept in the freezer (in a ziploc bag) and used as a cool pack. You are now able to add a sample amount of CPTG essential oil of your choice when purchasing. Deep Blue for use with sore muscles and aches. Serenity a calming