The Travel Lite Pet Pen is multi-functional. It can be used like a crate, but is also a great pen for outdoor activity. It is great as a whelping pen or a recovery pen after surgery. Mostly it is an ideal place for your pet to enjoy a safe enviornment. Folds into a small compact area for travel and storage. Strong internal steel frame and 600 denier nylon shell. Built in zippered door allows for easy access or confinement as needed.