I bought this at UNIQLO a few years ago. It's a cool sleeveless top (96% polyester). It has a button at the back. It's a bit sheer, so it would be perfect with a camisole with cups underneath! The size is listed as 1, but it's about a size M. Width: about 45cm Length: Front 62cm, Back 67cm (Measurements are approximate) There are no noticeable stains, but please understand that this is a used item that has been stored at home before purchasing.