Size: 60 Recommended Age: 0-3 Months Bust: 52cm/20.5'' Length: 38cm/15.0'' Size: 70 Recommended Age: 3-6 Months Bust: 54cm/21.3'' Length: 40cm/15.7'' Size: 80 Recommended Age: 6-12 Months Bust: 56cm/22.0'' Length: 42.5cm/16.7'' Size: 90 Recommended Age: 12-18 Months Bust: 58cm/22.8'' Length: 45cm/17.7'' Size: 100 Recommended Age: 18-24 Months Bust: 60cm/23.6'' Length: 47.5cm/18.7'' Newborn Infant Baby Girls Boys Valentine's Day Outfits Letter Heart Print Round Neck Long Sleeve Sweatshirts Romper Jumpsuits Features: Cotton Blend 【MATERIAL】: 95% Cotton, 5% Spandex. Great quality baby girl long sleeve sweatshirts romper, soft, stretchy, comfortable and breathable for your baby. Best Valentine's Day gift for your baby~. 【OCCASION】: Suitable for spring fall winter wear, outdoor wear, daily wear, home wear, playwear and perfect for Valentine's Day wear, photo shoot, holiday party etc. 【SIZE】: Suitable for infant girls 0-3months, 3-6months, 6-12months, 12-18 months, 18-24 months. 【WHAT’S IN IT】: 1PC Romper Product Description: Gender: Girls Material: Cotton Blend Sleeve length: Long Sleeve Pattern: Heart SizeRecommended AgeBustLength600-3 Months52cm/20.5''38cm/15.0''703-6 Months54cm/21.3''40cm/15.7''806-12 Months56cm/22.0''42.5cm/16.7''9012-18 Months58cm/22.8''45cm/17.7''10018-24 Months60cm/23.6''47.5cm/18.7''Size:60Recommended Age:0-3 MonthsBust:52cm/20.5''Length:38cm/15.0''Size:70Recommended Age:3-6 MonthsBust:54cm/21.3''Length:40cm/15.7''Size:80Recommended Age:6-12 MonthsBust:56cm/22.0''Length:42.5cm/16.7''Size:90Recommended Age:12-18 MonthsBust:58cm/22.8''Length:45cm/17.7''Size:100Recommended Age:18-24 MonthsBust:60cm/23.6''Length:47.5cm/18.7''