Please note that there will always be variations amongst babies in regards to age, weight & length, for example a very large newborn. The following is a general guideline for babies within the 50 (average) percentile, that should help you select the correct size for your baby (please see safety information below).
| Sleeping Bag Size | Approximate Child Age | Minimum Child Weight | Maximum Child Length |
| Small (27″/68cm) | 3 – 11 Months | 10 Lbs | 30″ / 76 cm |
| Medium (35″/89cm) | 10 -24 Months | 22 Lbs | 38″ /96 cm |
| Large (42″/107cm) | 22 Months – 3T | 28 Lbs | 45″ / 114 cm |