General size chart:
NB: height up to 56cm.
0-3 months: height up to 62cm.
3-6 months: height up to 70cm.
6-12 months: height up to 80cm.
1-2 years: height up to 90cm.
2-3 years: height up to 98cm.
Bodysuit:
NB: Length:34cm, width: 19,5cm, sleeve (measured from neck to cuff ): 26cm
0-3 months: length: 36cm, width: 21,5cm, sleeve (measured from neck to cuff ): 27cm
3-6 months: length: 38cm, width: 23cm, sleeve (measured from neck to cuff ): 29 cm
6-12 months: length: 44cm, width: 26cm, sleeve (measured from neck to cuff ): 31cm
12-18 months: length: 46cm, width: 26cm, sleeve (measured from neck to cuff ): 32.5cm
Playsuit:
0-3 months: length: 52cm, width: 22cm, sleeve (measured from neck to   cuff):27cm
3-6 months: length: 55cm, width: 24cm, sleeve (measured from neck to cuff): 29cm
6-12 months: length: 65cm, width: 27cm, sleeve (measured from neck to cuff): 32cm
12-18 months: length: 67.5cm, width: 28cm, sleeve (measured from neck to cuff): 33cm
Sleepsuit:
NB: Length:39cm, width: 24cm, sleeve (measured from neck to cuff ): 25cm
0-3 months: length: 44cm, width: 27cm, sleeve (measured from neck to cuff ): 28cm
3-6 months: length: 48cm, width: 28cm, sleeve (measured from neck to cuff ): 30 cm
6-12 months: length: 57cm, width: 31cm, sleeve (measured from neck to cuff ): 32cm