DLX1107 Features: * Materials: Pure flax seeds and herbs * Adjustable strap holds the pack on lower back or wherever it is needed * Provides a snug fit no matter what level of activity * Relief from aches and pains * Helping to evenly treat your whole lower back * Heated and used as a "hot pack" * Frozen and used as a "cold pack" Color/Finish: * Color: Black celestial Specifications: * Fits up to a size 50 waist