Leviticus 15:17

And every garment and every skin on which the semen comes shall be washed with water and be unclean until the evening .

Any clothing or leather that has semen on it must be washed with water, and it will be unclean till evening.

And every garment, and every skin, whereon is the seed of copulation, shall be washed with water, and be unclean until the even.