This is non-negotiable. A collapsible silicone bottle with a long, angled nozzle.

So, go ahead. Buy one. Hide it. Use it. And smile as you watch the other women in your group suffer in silence.

Open your tote bag. Unfold the silicone basin. Place it on the toilet lid or floor. Fill it using the sink tap (use the thermos for hot water).

: These collapsible tubs are only 2–3 inches thick when folded and can be "hidden" behind a bathroom door or under a bed.

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