M. Rena Tank Little Black Dress Stretch Body and curve hugging Bodycon Sexy Dress is same front and back No seams except at shoulders 70% viscose, 20% nylon, 10% spandex One Size - see photos and measurements 14" armpit to armpit (same measurement all the way down). Stretches to about 18". 32-1/2" shoulder to hem. Wear alone or layered under another top Excellent used condition Smoke free, pet free home Visit my closet. Bundle and save!