MOOOOO!!! This hat and diaper cover will fit approximately 0-3 months. This set will be a great addition to your baby photos! The diaper cover is adjustable at three different levels. When ordering, please specify male or female. Machine washable and dryable. This item can be customized to a larger size if needed. You may also request a different color if needed. If requesting a custom order, please allow 3-5 days for creation prior to shipment.