One Size Reusable Diaper (Adjusts SMALL-MEDIUM-LARGE in the same diaper) with One Microfiber insert. The baby will sit on a wet-free micro fleece fabric that stays dry and allow the urine to fully get absorbed into the pad kept under it in the pocket. If we buy it for new born, this will last till the baby crosses 3 years of age. Preferred by mothers mostly as an excellent Night - Time Diapering option for babies from 6 months to 3 years age. Once the baby starts walking, the pocket diaper could be used as an ANY-TIME functional diaper.