it does have the elastic in the back and in the front under the breast and the straps are like bra straps that you can adjust the elastic goes all around from back to front in the back at the top and the elastic goes around the front under the breast and then it flares out I have already got it sealed up ready to mail out but if you want me to I will open it and take a pic of the back I hope this has helped you Thank you W and have a wonderful week
I love it it's beautiful I have never tried it on so I really don't know how long it is but it don't look like its very long I won on here I had gotten it for my wedding but my wedding was called off so I no longer want it I have a lot of wedding stuff that I'm putting on listia and stuff trying to sell like wedding dress veil bridesmaids dress 2 flower-girls dress and a whole lot of other stuff so that is why I am listing this beautiful nighty I do not need it I hope someone else will love it and enjoy it