Two Piece Set Size Chart Size 80 PTP - 25cm Length - 29.4cm Sleeve Length - 25cm Pinafore Waist (Stretchable) - 21 - 33cm Size 90 PTP - 26cm Length - 31.25cm Sleeve Length - 26.3cm Pinafore Waist (Stretchable) - 21 - 24cm Size 100 PTP - 26.5cm Length - 31.7cm Sleeve Length - 27.5cm Pinafore Waist (Stretchable) - 22 - 33cm Size 110 PTP - 27.5cm Length - 34.3cm Sleeve Length - 29.5cm Pinafore Waist (Stretchable) - 24.5 - 35cm Size 120 PTP - 28.5cm Length - 35cm Sleeve Length - 30cm Pinafore PTP - 27 - 36cm *Most of our products are mass produced. As such, kindly give 0.5 to 1 cm allowance for all measurements.