The Safety 1st OnBoard is a rear-facing infant car seat designed to provide safety and comfort for newborns and small children. It features a five-point harness system to secure the child and has side-impact protection to enhance safety during travel. The seat is lightweight, making it easy to carry and install in various vehicles. Additionally, the OnBoard car seat includes a removable infant head support for added comfort and a machine-washable cover for easy cleaning. It is compatible with many Safety 1st strollers, allowing for convenient travel solutions for parents on the go.