Leviticus 13:50

48whether it is in warp or woof; of linen or of wool; whether in leather, or in anything made of leather;

49if the plague is greenish or reddish in the garment, or in the leather, or in the warp, or in the woof, or in anything made of leather; it is the plague of leprosy, and shall be shown to the priest.

50The priest shall examine the plague, and isolate the plague seven days.

51He shall examine the plague on the seventh day. If the plague has spread in the garment, either in the warp, or in the woof, or in the skin, whatever use the skin is used for, the plague is a destructive mildew. It is unclean.

52He shall burn the garment, whether the warp or the woof, in wool or in linen, or anything of leather, in which the plague is, for it is a destructive mildew. It shall be burned in the fire.