Bottom cover in an square configuration for existing dog playpen provides an easy to maintain play space for your pet Hook and loop technology has made installation onto your dog playpen a breeze; convenient door panel allows for easy access to your pet at any moment Designed to fit ALL MidWest Homes for Pets & New World dog playpen confirgured into the square shape; can be used with any 24 inch wide by 8 panel playpen Durable water-resistant PVC lined canvas, makes cleaning up in the event of an accident a breeze Backed by MidWest Homes for Pets 1-Year Manufacturer's Warranty; please note that the exercise pen and square poly mesh top are sold separately. Always supervise your pet when using this product