Provide your dog with a safer more comfortable ride while preventing him from falling into the footwell during sharp turns and quick stops. Solid high density foam expander with tapered design can be inverted to accommodate a pushed back front seat. Upholstery grade micro velvet cover and waterproof breathable liner zip off to machine wash. Fits most cars& SUVS: 25” L x12” H x 8” _12” deep. We never used it. Unfortunately my big dogged passed before we could use it. My small dog has a car seat to use. Machine washable, dry low heat