Wash ball is a safe, natural product, easy to washing clothes. Soften fabrics while saving money on fabric softeners, dryer sheets and energy. The unique design of washing ball make your clothes cleaner.  It can be used over and over again and they last for years! Utilizing pure physical theory to washing cloths, using pure natural mineral as original material, releasing super powerful FIR rays and negative ions, dividing the water and smarminess molecules into nanometer grade, so that to activate the enzyme in the water better, improving the self-cleaning ability of water. The washing ability is no less than the traditional washing detergent, the whitening and antibacterial ability is much more better than that of general washing detergent. Meanwhile, it contains many other minerals like organic germanium etc, so that can help you to keep health.