It s made of a sturdy industrial-strength fishnet weaved to a steel hoop-shaped wicket that easily stakes firmly into the ground. This outdoor mesh dog playpen is quick and easy to set up allowing your cat to relax in the fresh air watch the birds exercise and enjoy the sunshine without the risks of escape or injury. It s made of solid steel components and rip-stop netting and has two doors providing easy access to your beloved pet. The Kittywalk Outdoor Pet Pen is weather-resistant for use during all seasons and includes a handy travel and storage bag. It can be used with other Kittywalk items (sold separately) to create a variety of play areas. When not in use it folds up to 18 W x 3 D x 24 H to allow for space-saving storage.