The Dozer Sleep In Motion Portable Car Seat Rocker is a convenient car seat accessory designed to gently rock a baby's car seat to help soothe them to sleep while on the go. This portable device by Dozer is easy to use and provides a safe and comfortable way to rock a baby's car seat, allowing parents to keep their child calm and relaxed. Use only with adult supervision at all times. With its compact size and adjustable settings, this car seat rocker is a practical solution for parents traveling with a little one. Never leave a child unattended in a car seat and follow your carseats specific safety standards at all times.