H&M Divided Floral Romper Size 4 NWT

Divided by H&M V-Neck Floral Romper Wrap bodice, opening in the back Elastic cuff, open sides Side zip NEW WITH TAGS Missing belt. Tiny stain on the arm Size: 4 Approximate Measurement (flat lay) Length: 29.5” Pit to Pit: 16” 98% polyester 2% elastane Please review the actual measurements as they differ from the size on the tag 7