Each panel measures 24W x 30H, Exercise Pen / Pet Playpen folds flat for convenient storage;Exercise Pen provides 16 square feet enclosed area (1.5 meters) for your dog;8 ground anchors for outdoor use and 4 thumb-snaps for easy assembly included with Exercise Pen / Pet Playpen;Duable black e-coat finish on the Exercise Pen / Pet Playpen provides long lasting protection against rust and outdoor elements;Easy set-up, no tools required