Let the journey begin with the unboxed version of Diono® Ultra Mat™. Protect your back seat with a full-length, flexible car seat protector mat that sits securely on the base of your seat to prevent slipping and protect against dirt and debris. The Diono Ultra Mat™ features Pentalock technology; a 5-layer construction that resists dirt and liquids, making them easy to clean up once the journey is over. Crash tested and approved for use with Diono car seats and boosters.