The Bonnie Mob Romper Size Chart

Baby Size Height Chest (approx) Weight (approx)
Newborn 46-52 cm/ 18-20.5 inches 35-39 cm/ 14-15 inches 3.5-5 kg/ 7.5-11 lbs
0-3 months 52-62 cm/ 20.5-24.5 inches 39-43 cm/ 15-17 inches 5-6 kg/ 11-13 lbs
3-6 months 62-70 cm/ 24.5-27.5 inches 43-45 cm/ 17-18 inches 7-8 kg/ 15-17.5 lbs
6-9 months 70-74 cm/ 27.5-29 inches 45-47 cm/ 17-18 inches 8-9 kg/ 17.5-20 lbs
9-12 months 74-78 cm/ 29-31 inches 47-49 cm/ 18.5-19 inches 10-11 kg/ 22-24 lbs
12-18 months 78-84 cm/ 31-33 inches 49-52 cm/ 19-20.5 inches
18-24 months 84-90 cm/ 33-35.5 inches 52-54 cm/ 20.5-21 inches