Leviticus 11:32-33

“ ‘If an unclean animal dies and falls on something, that item will also become unclean. This includes anything made from wood, cloth, leather, or rough cloth, regardless of its use. Whatever the animal falls on must be washed with water and be unclean until evening; then it will become clean again. If the dead, unclean animal falls into a clay bowl, anything in the bowl will become unclean, and you must break the bowl.