This is for a rental only, this dress is not for sale. It is great for maternity, weddings, or just portraits. There is elastic in the back. This dress will fit S M or L. It might be a bit big on a very small size small. It is great for the person who don't want to show their arms. A 5 day rental is $89 + a $50 deposit is also required and will be refunded as soon as the dress is returned. The deposit will be invoiced separately. Shipping to you is included but you will be responsible for return shipping. If you need it longer we can extend the time. Please message me if you have any questions.