Leviticus 15:21

21 Any who touch her bed or anything on which she has sat must wash their clothes and take a bath, and they remain unclean until evening.

Leviticus 15:21 In-Context

19 When a woman has her monthly period, she remains unclean for seven days. Anyone who touches her is unclean until evening.
20 Anything on which she sits or lies during her monthly period is unclean.
21 Any who touch her bed or anything on which she has sat must wash their clothes and take a bath, and they remain unclean until evening.
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.