This microwaveable shoulder wrap is filled with lavender. lemongrass, and chamomile herbs that release delicious, aromatic warmth. Microwave the shoulder wrap and use its heat therapy for herbal stress relief and to soothe sore muscles. Pop the shoulder wrap in the freezer to chill, and let the cold therapy treat sports injuries or just cool you down on a hot summer day. The wrap is designed to conform to the neck, shoulders, and upper back area. It also applies gentle pressure on sore muscles and joints. CARE AND USAGE: Heat Therapy: Place in a clean microwave and heat in 30 second intervals with 30 second standing time in between until desired warmth is achieved. Check temperature before using. Wrap should feel warm, not hot to the touch. Do not exceed 90 seconds total heating time. Do not leave unattended while heating. Cold Therapy: Seal in a plastic bag and place in the freezer overnight. May be left in the freezer until ready for next use. To Wash: Remove the 100% cotton cover and wash with like colors. Lay flat to dry. Do not allow the grain pack to get wet.