Acupressure reflexology foot massage mat Size: 40x150cm Material: Natural cobblestones Density of cobblestones: Middle density with distance between cobblestones: about 2cm Size of cobblestones: about 2 cm Color of cobblestones: mixed Weight of the mat: about 6.5KGS Function: 1. Good for middle age, senior age and old people. Walking on massage mat helps to improve the micro-circulation of foot--- which is known as the second heart of human--- so that to get better irritative effect to the end of nerves and get better propitiatory affect to the spirit. 2. Good for people sitting to work and study for a long time such as the drivers, teachers, students, housewives, officers, scientists. 3. Good for those who don’t have time to do exercise in gym or outdoor. By walking on the mat, it massages your foot. Notice: * This is not medical instrument. Please do not expect any immediate effect. * Foot will feel pain at the beginning. Please wear socks or put a towel on the stones. * Each piece of cobblestone is natural and unique in the world. The massage mat you get may have small differences with the image.