The Petyard Passage by North States is a safe, portable containment area which features an exclusive swinging door for pets. The 8X11 door swings freely allowing your pet the freedom to come and go as they please. Want to contain your pet -no problem. The small door also locks for containment offering you peace of mind. Perfect for households with puppies or multiple pets. The Petyard Passage encloses up to 18.5 sq. ft. of space and is 26" high. Increasing or reducing the size of your Petyard is easy, simply add or remove panels for multiple configurations for all stages and phases of your pet's life. Adding a two-panel extension (sold separately) will increase the size of your Petyard to 34.4 sq. ft. To make a cozy crate for a small dog or puppy, simply remove two panels. The Petyard Passage folds up easily and comes complete with a carry strap. Weather resistant and portable, the Petyard Passage can be used just about anywhere. Proudly made in the USA.