XCS1391 Features: * Micro beads * Material: Polyester and silica gel * Plush fabric * Soft to touch * Moist heat * Helps relieve pain * Provides soothing moist heat therapy * Can be heated in microwave * Satisfaction guaranteed * Adsorb moisture from air and release it when heated * Help treat muscular aches, pains, arthritis, fibromyalgia, cramping, headaches and more * Remain warm for 20-30 minutes * Made in the USA Dimensions: * 0.5"" H x 12"" W x 5"" D * Small Weight: 0.95 lbs * Cervical Weight: 2.55 lbs * Large Weight: 2.5 lbs