High-density foam core extender makes your backseat a safer place for your dog while traveling Polyester microfiber cover Washable cover Make your backseat safer and more comfortable for your dog with our microfiber-covered foam backseat extender. Sized to easily fit in the footwells of the backseat of most cars and SUVs the extender’s high-density foam core gives your dog more room and prevents them from slipping down between the front and rear seats. Order two extenders to cover the entire backseat area. 13″H x 25″W x 12″D. Capacity 150 lbs. Polyester cover is removable and washable. Imported.