Small bathroom

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We live in a house with two bathrooms. But only one bathroom has a bathtub in it. So the guest bath is going to be the one we use to wash the baby. But it’s not the largest bathroom. Is there any baby bathtub recommendations for a smaller sized bathroom??I also would not mind washing her in the sink. We have a pretty large deep sink. But still would need recommendations for something to wash her in the sink with.