This item was used for a Shichi-Go-San photoshoot. It was used once during the photoshoot. It has been washed after use. There are no noticeable stains, but please understand that this is a used item before purchasing. The size is approximately 16.5 cm. It is made of a stretchy material, so it should fit even if the foot size is slightly larger. There are no pets or smokers in the house, but this item has been stored at home by a private individual, so please refrain from purchasing if you are concerned.