Because it's not a bathroom without big stacks of fluffy white towels. Other essentials like toilet paper and toiletries are also included in this generously sized bath closet!
It is 1/12 scale, which is the most common scale for dollhouses and dollhouse miniatures. It means that if an object is 12 inches in real life, it is sized down to a one inch as a miniature. It measures 3" W x 4.5" H x 1" D.