Mermaid shaped ivory nylon slip from the 1980s. V neck and low back with a flared high-lo fishtail at the .  Zipper up the small of the back. Label says small sized. Label reads: Fredericks of Hollywood..
Excellent vintage condition. I spotted one tiny smudge, see photo.
Measurements when lying flat. Doubled at bust, waist and hip
Armpit to armpit across bust: Its an open back and stretchy so this is flexible but approx. 29 to 37"
Waist: 23 to 31"
Hips: 30 to  40"
Shoulder to bottom hem: approx. 45 to 56 due to hi-lo hem
Please note: These are vintage, preworn and/or preloved items. I do my utmost best to list any issues, but signs of wear should be expected, and there are occasionally small things I won't deem worthy of note. Please feel free to send me a missive with any questions. I'm truly happy to help in any way possible and I'm always up for a chat. Any accessories shown, including crinolines, are for display only, not included unless otherwise stated.