Women’s One Piece Peek-a-Boo Bathing Suit Size M.  This bathing suit is 82% Polyester and 18% Elastane. There are no brand tags in this suit. Armpit to armpit measures 16” before stretching. Shoulder to hip is 21”. Waist measures 26” before stretching and stretches to 30”. Very Good Used Condition - See photos for further description.