Sizing Information - USA snapsuits
| Size | Weight (lbs) | Height (inches) |
| (fits up to) 3 months | 8-12 | 18-24 |
| (fits up to) 6 months | 10-16 | 23-26 |
| (fits up to) 9 months | 14-20 | 24-28 |
| (fits up to) 12 months | 17-26 | 26-30 |
| (fits up to) 18 months | 24-29 | 31-34 |
| Size | Weight (lbs) | Height (inches) |
| (fits up to) 3 months | 8-12 | 18-24 |
| (fits up to) 6 months | 10-16 | 23-26 |
| (fits up to) 9 months | 14-20 | 24-28 |
| (fits up to) 12 months | 17-26 | 26-30 |
| (fits up to) 18 months | 24-29 | 31-34 |