Foam Imported CREATES MORE SPACE IN THE FRONT SEAT - Elevates All-in-One convertible car seats to a more upright position so they can fit in smaller vehicles REAR FACING FOR LONGER - The Angle Adjuster helps to keep your child in the rear-facing position while creating more space EASY INSTALLATION - Angle Adjuster simply slides under the bottom of the car seat. Once firmly in place, tighten and lock the seat belt or SuperLATCH in the rear-facing belt path. Isofix compatible DIONO CRASH TESTED - The Diono Angle Adjuster is Diono Crash Tested DENSE & DURABLE - The Diono Angle Adjuster is made with a high-density foam that will not flatten under the weight of the car seat