The Nuna Rava Convertible Infant Newborn Car Seat Insert in Dark Gray is a unisex seat cushion designed specifically for infants. Made by the reputable brand Nuna, this insert is compatible with the Rava model car seat, providing a comfortable and safe seating option for newborn babies. The dark gray color adds a stylish touch to the overall design, making it a practical and fashionable choice for parents looking to ensure their little one's safety and comfort while on the go.