Exercise Pen has 8 connected panels (each panel 24W x 30H Inches) to create 16 SQFT living area | Playpen is ideal for medium dogs up to 20 inches tall Portable Exercise Pen is great for indoor & outdoor use | A black rust-preventive e-coat protects the dog playpen from the elements & included ground stakes keep the pen anchored to the ground No tools required. Simply unfold, shape & connect dog playpen together| Exercise pen can be set-up in seconds & folds flat for easy storage or travel Puppy playpen includes 4 ground stakes, 4 secure locking thumb snaps & can be used in conjunction w/ a metal dog crate to expand your dog's living area Exercise pen works great as a puppy playpen or as an exercise area for non-climbing small animals including Rabbits, Ducks, Turtles & Guinea Pigs