Size: S, Back Length: 20cm/7.87", Neck Circumference: 23cm/9.06", Bust: 32cm/12.6", Suggested Weight: 1.25-2kg (Approx.) Size: M, Back Length: 25cm/9.84", Neck Circumference: 26cm/10.24", Bust: 37cm/14.57", Suggested Weight: 2-3kg (Approx.) Size: L, Back Length: 30cm/11.81", Neck Circumference: 29cm/11.42", Bust: 42cm/16.54", Suggested Weight: 3-4.25kg (Approx.) Size: XL, Back Length: 35cm/13.78", Neck Circumference: 32cm/12.6", Bust: 47cm/18.5", Suggested Weight: 4.25-6kg (Approx.) Size: 2XL, Back Length: 40cm/15.75", Neck Circumference: 35cm/13.78", Bust: 52cm/20.47", Suggested Weight: 6-9kg (Approx.)