The Infant SnugSeat is a cushioned liner designed to provide newborn comfort and support when used in the reclined position on Vista or Cruz toddler seatsor in the RumbleSeat V2/V2+. It features a head support pillow and a subtle wedge underlay to gently cradle a babys neck and back while maintaining breathable comfort. Once the infant is ready, remove the inserts to convert it into a plush liner for continued use. Its made from breathable, hand-washable fabric and blends fully with UPPAbaby stroller interiors, aka a from birth solution.