Vayikra 15:20-22

Orthodox Jewish Bible

²⁰ And everything that she lieth upon in her niddah shall be tamei; everything also that she sitteth upon shall be tamei.

²¹ And whosoever toucheth her bed shall immerse his garments, and immerse himself in mayim, and be tamei until the erev.

²² And whosoever toucheth anything that she sat upon shall immerse his garments, and immerse himself in mayim, and be tamei until the erev.