The Diono Ultra-Mat Deluxe includes all the great features of Dionos Ultra-Mat but with an additional Heat Sun Shield to protect your car seat from the sunlight and heat. Protect your car upholstery with the Ultra-Mat Deluxe under your child's safety seat, featuring full seat back coverage, especially good for rear facing seats. This deluxe version includes a Heat Sun Protection to protect the seat from overheating while not in use preventing hot plastic and scalding buckles from burning your child when entering the seat. The Ultra-Mat Deluxe protects the car upholstery from permanent indentations with high density foam padding. Top and bottom grip surfaces keep the seat in place. The cushioned, full-seat design and high-density foam panels protect upholstery from indentations, scratches and scrapes. Ultra-Mat is also the perfect car accessory for dogs, keeping your back seat free from mud and dirt. Made with Pentalock Technology, a 5-layer high strength material that resists dirt and liquids for ultimate protection. Ultra-Mat Deluxe also features a mesh storage pocket to help keep your in-car essentials organized. Universal fit, designed to work with seat belt and LATCH/UAS/isofix installations and Diono crash tested to help provide the best safety possible for your child.