This is a set of massage stones, if you are looking for a relax massage with easy way, here, natural energy stones would be a good choice for you. The massage stones are tools of the trade for professional or home spa, relaxing, healing, pain relief. In addition. Enjoy a deeper and longer-lasting sense of relaxation while creating balance and harmony. You deserve it Features- Color: Black.- Material: Power Stone.- Size: About 4 x 3 x 1cm.- Each stones has hole to absorbe care oil, and it will take care of your skin in thr process of massage.- Each stone goes through a proprietary treatment process to give you clean, smooth and fully-usable stones.- Just the right smoothness for a perfect glide (not rough or too slippery).- Suitable for those who long to use computers, mobile phones or other electromagnetic radiation class equipment.- Natural volcanic energy stone contains trace elements needed by human body. Packing list6 x massage stone