This practical car booster seat is the ultimate solution to safely satisfy a dog's natural urge to look out the window while driving in automobiles. Attaches in seconds to the passenger seat of most automobiles for a safe and comfortable ride for small dogs. Adjustable straps attach to car seat while adjustable safety harness attaches to pet collar. Folds to 2.5 inches for easy storage. Dimensions 13.5 inch wide x 13.5 inches long x 7.5 inches high. For pets up to 20 pounds.