Secure double latch step-through door access, Exercise Pen / Pet Playpen folds flat for convenient storage;Each panel measures 24W x 24H, Exercise Pen / Pet Playpen provides 16 square feet of enclosed area (1.5 meters);Includes 8 ground anchors for outdoor use, 8 corner staballizers and 4 thumb-snaps for easy assembly;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