The Zen Roller is a one of a kind handmade Himalayan salt roller for the body and face. The roller can be used for inflammation , pain and skin issues. The salt barrels have 84 trace minerals magnesium potassium, and calcium these are just a few. The Rollers can be made hot or cold since barrels are removable. The Zen Roller is a great gift and a must for your wellness & first aid kit. Salt has been used for centuries to help inflammation soothing sore muscles. When used cold wonderful for headache and puffy eyes. This roller will also help smooth fine lines and give glowing skin. Spot treat acne and fade bruises. You can also us the Roller on your dogs and horses. The Zen Roller is a patent pending product. Zen is a woman owned business and all green made in Santa Barbara California USA.