Used a few times ☆ There are no noticeable stains, but there is a slight stain in the 6th photo. Overall, it's a clean item with no noticeable stains ☆ Washed ☆ Inner size 17 cm. Suitable for children with sizes 17-18 cm ☆ The back has rubber non-slip grips ☆ Convenient as it can be washed in the washing machine ☆ The inside is also fluffy ☆ I'm selling it because my child has outgrown it. It's very cute, so please consider it (*^^*) Please note that it will be compressed for shipping m(_ _)m