ALTERED: this dress has been size adjusted from a medium to a small due to a shopping error when I recieved it. The back shirring was taken in and the excess in the skirt was box pleated. It is not noticeable when worn. There is still a little bit of shirring in the back but I wouldn't say the size is flexible. My measurements are 24.5 in waist and 30 in bust and it won't fit much more than an inch or two more. 

Aside from the alteration this dress is in great condition. 

I have a cat but the dress will be cleaned and hair free before being shipped.