| Size (cm) | BOXXKids | Coloured Organics | Little Green Radical | Five O Six | Nature Baby | Play up | Snuggle Hunny Kids |
| Newborn (0000) | - | - | 56 | - | 56 | 46-50 | 56 (2-4kg) |
| 0-3months (000) | 62 | 58 | 62 | 60 | 62 | 56-62 | 62 (4-6kg) |
| 3-6months (00) | 68 | 69 | 68 | 68 | 68 | 62-68 | 68 (6-8kg) |
| 6-12months (0) | 78 | 74 | 74 | 76 | 76 | 68-76 | 76 (8-10kg) |
| 12-18months (1) | 84 | 79 | 86 | 84 | 84 | 76-82 | 84 (10-12kg) |
| 18-24months (2) | 90 | 84 | 92 | 92 | 88 | 82-88 | - |
| 2-3years (3) | 96 | - | 98 | 100 | 96 | 88-94 | - |
| 3-4years (4) | 104 | - | 104 | 108 | 106 | 94-100 | - |
| 4-5years (5) | 110 | - | 110 | 115 | - | 94-100 | - |
| 5-6years (6) | 118 | - | 116 | - | - | 100-106 | - |
| 6-7years (7) | - | - | 122 | - | - | 106-114 | - |
| 7-8years (8) | - | - | 128 | - | - | 114-122 | - |
