Gel Slipper -Therapy gel slipper -Colorful gel slipper -various size gel slipper -CE, ISO, 13485,MSDS Gel Slipper1. Now relax and gently ... neural system so as to keep and improve health; The slipper helps to cool down the feet temperature, thus reduce sweat ... all by easilly adjust the velcroGel color optional Cold Gel Slipper