1,customized size 2,environmental natural product 3,callus remover,make you feet smooth&beautiful 4,high quality/low price we have many kinds of pumice stones,any shape and colors are ok,we can make the stones according to your design.it's a good product for your feet careing,and it haven't any bad effeciency,you can use it at ease.any question or demands,pls don't hesitate to contact me. cheap ...