True vintage 50s dress by Chubbette

True vintage blue and white striped dress from late 50s. Originally marketed as a plus-size juniors label called Chubbette. Yes…”Chubbette” 🥲 When worn on a modern body, fits like a woman’s small/medium with a boxy, loose fit. Please refer to measurements. Overall good condition, no stains, several scattered holes mostly concentrated around side metal zip. Belt loops but no belt. Pit to pit flat: 20.5” Waist flat: 16.75” Shoulder to hem: 39.75”