Mark 9:3 in the King James Version
And his raiment became shining, exceeding white as snow; so as no fuller on earth can white them.
Context
2 After six days Jesus took with him Peter, James, and John, and brought them up onto a high mountain privately by themselves, and he was changed into another form in front of them.
3 His clothing became glistening, exceedingly white, like snow, such as no launderer on earth can whiten them.
4 Elijah and Moses appeared to them, and they were talking with Jesus.