Size 1 fits babies from around 7lbs - 20lbs (3kgs - 9kgs) which is generally the age range newborn to nine months.
The size 2 fits babies from around 20lbs-38lbs (9kgs -17kgs) which should fit babies from about seven months to potty training.
Littlelamb nappies are also available in size 3 which fits from 35lbs/16kgs. We sell very few size 3's as most babies are dry before they need them.
The bigger the pack the greater the savings so check out our multi-packs or for the ultimate kit please see out Cotton Nappy Kit that contains all you need to start using washable nappies straight away.