Let us introduce you to the BOSKIND Therapeutic heat pack which can be used for hot or cold therapy. Good for tight muscles, stress and tension pain experienced in neck muscles. BOSKIND HEAT PACKS also aid in relief of menstrual pain. All BOSKIND packs are filled with infused rice, dried home grown lavender buds and essential oils. THIS IS DEFINATELY THE MOST FRAGRANT HEAT PACK YOU WILL EVER OWN .