Vayikra 15:20

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

Vayikra 15:20 Meaning and Commentary

Leviticus 15:20

And everything that she lieth upon in her separation shall be
unclean
During her being apart from her husband, with whom she might be, and do all offices for him, but not lie with him; and whatsoever she lay upon during this time, bed or couch, and the clothes upon them, were unclean: everything also that she sitteth upon shall be unclean;
chair, stool, &c. as is the case of a man, ( Leviticus 15:4 ) .

Vayikra 15:20 In-Context

18 The isha also with whom ish shall lie with shikhvat zera, they shall both immerse themselves in mayim, and be tamei until the erev.

19 And if an isha have a discharge, and her discharge in her body be dahm, she shall be in her state of niddah (state of menstrual separation) seven days; and whosoever toucheth her shall be tamei until the erev.

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.