I used it once, but I've been using something else since then, so I've been storing it at home. I'm giving it away because I don't have a chance to use it. The retail price was about 2500 yen. It's big enough to hold 3-4 diapers and a set of clothes (if they're thin), so you can keep things organized and tidy in your bag. There are no noticeable stains, but please understand that this is a used item.