Vintage retailer 1980s Side Button Plaid Sleeveless Romper, Marissa Size S/M, Pastel

Product Name: Vintage retailer 1980s Side Button Plaid Sleeveless Romper, Marissa Size S/M, Pastel
Description - This is a light weight cotton 80s does 40s romper with deep pockets. It buttons up the side and at the shoulders. Details Brand - Marissa Size - labeled 9, fits like a modern S/M, mannequin is a women's size 6 and fit with a little extra room Shoulders - 12.5" Chest - 17.5" pit to pit Waist - 14" measured flat Hip retailer - approximately 19.5" measured flat Rise - 12.5" Inseam - 7.75" Shoulder to crotch - 29" Shoulder to waist - 15.25" Waist to hem - 18.75" Condition - On one strap there are 2 buttons but on the other strap there is only one. So I guess it should have 2 options for strap length.