Silver Cross Simplicity Car Seat Newborn Insert The Silver Cross Simplicity Car Seat Newborn Insert is compatible with the Silver Cross Simplicity infant carrier and is specially designed for smaller babies. Used together with the insert wedge included with your Simplicity, it provides additional support and padding for your newborn, ensuring they travel comfortably and safely. As your baby grows, the insert and wedge can be removed, providing optimum comfort at every stage of their development. Features: Newborn Insert compatible with the Silver Cross Simplicity Plus Provides additional support for your newborn baby Luxury fabrics that are soft against your baby’s skin Wedge is removable to suit every stage of development