Boba X Adjustable Seat Carrier - OceanaThe Boba X has it all! A wonderfully comfortable carrier with all the features you need, but is super simple to use. Boba Carriers have always been renowned for simplicity and style in their carriers, and the Boba X takes this to a new level. Boba X can be used from newborn to toddler, making this carrier wonderful value and the only carrier you need up until your child reaches 20kg.. While many carriers need an infant insert or have set positions for