Vintage SHADOWLINE, 36, white full slip with lace. The length is 39".  Armpit to armpit measures 18".  The armhole opening is 12".     There is white flowery lace  measuring 6" at the fullest to  2" at the sides.    The back has 2"  of lace.   The hem has  3" x 1 1/2" of lace.  I found a tiny rub on the front towards the hem.   Beautiful condition.