Features: -Helps to level rear-facing child safety seats -Position infants at the proper angle. Forget rolled up towels -Will not flatten during tightening and installation -Dense foam construction adds firm -Lateral support to the vehicle seat to help discourage sideways tipping -Can be used with most rear-facing child safety seats and infant carrier bases and is LATCH/UAS compatible -Crash tested Size: 3" x 3" x 15" / 7.6 x 7.6 x 39.4cm About the brand Discover Diono, a company that provides a safer environment for children and babies by designing car seats and car safety accessories. Enjoy life to the fullest with your baby thanks to Diono’s superior, innovative, safe and functional products.