... ,blue,white,grey,black,brown Size:obey your ability China's only color stone manufacture Introduction: A foot pumice stone can be ... objects, such as the toilet.How to Use a Pumice Stone: To use a pumice stone properly, it's best to start with clean skin that ... , open wounds and possible infection. How to Use a Pumice Stone During a Pedicure: If you're giving yourself a pedicure, try using your pumice ...