All of our Spa products are Hand-Crafted in California, USA! We use only the finest ingredients in all of our Inserts. Our Lavender is imported from France, our Eucalyptus is imported from Portugal, our Peppermint comes from Oregon. We use only pure essential oils., we tell you if one is only a fragrance. Our products are carefully and lovely hand-made by our family. We do not use outside help thus keeping our products of excellent quality and functionality! Taking the need for our products very seriously, we carefully design our wraps to fulfill heat and therapeutic requirements. Our wraps are fully guaranteed against any defects and with proper care, should last several years. The fragrances of the inserts should also last for a reasonable length of time even with constant use.