The waist is elastic and stretches well. It has a lining, so it's not see-through. There is one stain, please check the photo. It might come out if washed, but it will be delivered as is. Please understand that there may be other minor stains. Please refrain from purchasing if you are sensitive to these issues. Returns and claims are not accepted. m(._.)m Shipped with secure, anonymous delivery via Rakuraku Mercari.